$data <<EOF
11/1997	2.13	4.82	2.13	4.34	103.52%
12/1997	4.34	4.90	4.24	4.58	5.65%
01/1998	4.58	6.48	4.15	6.27	36.99%
02/1998	6.27	8.27	6.27	7.45	18.68%
03/1998	7.45	10.03	7.45	10.03	34.76%
04/1998	10.03	15.98	10.03	15.55	54.99%
05/1998	15.55	15.85	13.61	15.42	0.82%
06/1998	15.42	15.42	12.04	12.91	-16.30%
07/1998	12.91	16.40	12.91	14.91	15.52%
08/1998	14.91	15.98	11.93	12.14	-18.57%
09/1998	12.14	12.61	11.27	11.29	-7.02%
10/1998	11.29	12.36	7.67	11.95	5.85%
11/1998	11.95	14.02	11.95	13.40	12.12%
12/1998	13.40	13.42	11.93	13.06	-2.54%
01/1999	13.06	18.17	13.06	17.58	34.64%
02/1999	17.58	19.17	17.27	17.75	0.95%
03/1999	17.75	17.75	15.17	16.71	-5.87%
04/1999	16.71	19.15	15.83	18.92	13.22%
05/1999	18.92	19.58	17.33	17.33	-8.37%
06/1999	17.33	19.87	16.42	19.87	14.65%
07/1999	19.87	22.00	19.87	20.18	1.52%
08/1999	20.18	24.25	19.98	23.43	16.11%
09/1999	23.43	24.48	21.63	22.75	-2.88%
10/1999	22.75	27.50	22.75	26.38	15.93%
11/1999	26.38	34.38	25.63	33.50	27.01%
12/1999	33.50	37.63	33.03	34.95	4.33%
01/2000	34.95	44.63	32.50	44.63	27.68%
02/2000	44.63	61.00	44.63	57.25	28.29%
03/2000	57.25	73.75	56.50	60.00	4.80%
04/2000	60.00	70.25	50.38	70.25	17.08%
05/2000	70.25	75.25	62.75	68.88	-1.96%
06/2000	68.88	76.13	68.88	72.00	4.54%
07/2000	72.00	86.40	72.00	82.75	14.93%
08/2000	82.75	87.25	65.90	76.00	-8.16%
09/2000	76.00	76.10	64.25	71.00	-6.58%
10/2000	71.00	83.00	63.40	79.00	11.27%
11/2000	79.00	80.10	44.65	51.50	-34.81%
12/2000	51.50	65.80	51.50	57.90	12.43%
01/2001	57.90	59.00	41.25	55.50	-4.15%
02/2001	55.50	55.50	35.15	35.15	-36.67%
03/2001	35.15	46.15	34.38	36.00	2.42%
04/2001	36.00	51.40	31.75	51.40	42.78%
05/2001	51.40	55.00	43.20	49.75	-3.21%
06/2001	49.75	50.30	29.05	33.90	-31.86%
07/2001	33.90	33.90	22.50	28.00	-17.40%
08/2001	28.00	30.00	22.20	22.94	-18.07%
09/2001	22.94	24.20	15.70	18.20	-20.66%
10/2001	18.20	23.08	16.99	20.90	14.84%
11/2001	20.90	29.40	19.70	27.30	30.62%
12/2001	27.30	29.20	24.15	25.35	-7.14%
01/2002	25.35	29.35	22.25	23.10	-8.88%
02/2002	23.10	23.20	19.00	20.25	-12.34%
03/2002	20.25	23.10	20.25	21.00	3.70%
04/2002	21.00	21.00	16.50	17.40	-17.14%
05/2002	17.40	17.40	14.11	15.80	-9.20%
06/2002	15.80	15.80	11.45	12.70	-19.62%
07/2002	12.70	12.70	7.71	7.71	-39.29%
08/2002	7.71	8.50	5.95	7.60	-1.43%
09/2002	7.60	7.60	4.60	4.75	-37.50%
10/2002	4.75	6.75	4.20	5.98	25.89%
11/2002	5.98	6.81	5.15	6.38	6.69%
12/2002	6.38	6.45	4.52	4.54	-28.84%
01/2003	4.54	5.05	3.95	4.04	-11.01%
02/2003	4.04	4.04	2.40	2.74	-32.18%
03/2003	2.74	3.03	2.09	2.38	-13.14%
04/2003	2.38	3.60	2.38	3.04	27.73%
05/2003	3.04	3.30	2.72	2.94	-3.29%
06/2003	2.94	4.65	2.94	4.45	51.36%
07/2003	4.45	4.87	3.69	3.90	-12.36%
08/2003	3.90	5.34	3.64	4.99	27.95%
09/2003	4.99	5.59	4.49	4.49	-10.02%
10/2003	4.49	5.30	4.49	5.13	14.25%
11/2003	5.13	5.54	5.06	5.11	0.39%
12/2003	5.11	5.19	4.49	4.74	-7.24%
01/2004	4.74	6.92	4.74	6.68	40.93%
02/2004	6.68	6.91	6.36	6.54	-2.10%
03/2004	6.54	6.62	5.28	5.70	-12.84%
04/2004	5.70	5.87	4.83	4.83	-15.26%
05/2004	4.83	5.00	4.60	4.80	0.62%
06/2004	4.80	6.02	4.69	6.02	25.42%
07/2004	6.02	6.02	4.51	4.51	-25.08%
08/2004	4.51	4.66	3.83	3.85	-14.63%
09/2004	3.85	4.07	3.70	3.73	-3.12%
10/2004	3.73	4.34	3.31	3.40	-8.85%
11/2004	3.40	3.47	3.26	3.37	0.88%
12/2004	3.37	3.57	3.06	3.06	-9.20%
01/2005	3.06	3.96	3.06	3.80	24.18%
02/2005	3.80	3.88	3.52	3.55	-6.58%
03/2005	3.55	3.72	3.32	3.32	-6.48%
04/2005	3.32	3.32	2.57	2.57	-22.59%
05/2005	2.57	2.76	2.39	2.65	3.11%
06/2005	2.65	3.15	2.55	3.02	13.96%
07/2005	3.02	3.19	2.95	2.99	0.99%
08/2005	2.99	3.09	2.69	2.74	-8.36%
09/2005	2.74	2.89	2.71	2.89	5.47%
10/2005	2.89	2.94	2.57	2.63	-9.00%
11/2005	2.63	2.71	2.41	2.43	-7.60%
12/2005	2.43	2.82	2.43	2.77	13.99%
01/2006	2.77	2.83	2.47	2.83	2.17%
02/2006	2.83	3.36	2.75	3.10	9.54%
03/2006	3.10	3.86	3.10	3.60	16.13%
04/2006	3.60	4.03	3.28	3.82	6.11%
05/2006	3.82	3.88	2.72	2.80	-26.70%
06/2006	2.80	2.80	2.52	2.67	-4.64%
07/2006	2.67	2.95	2.52	2.95	10.49%
08/2006	2.95	3.07	2.78	2.92	-1.02%
09/2006	2.92	3.07	2.80	2.92	0.00%
10/2006	2.92	3.49	2.88	3.26	11.64%
11/2006	3.26	3.42	3.15	3.19	-2.15%
12/2006	3.19	3.35	3.10	3.33	4.39%
01/2007	3.33	4.03	3.33	4.03	21.02%
02/2007	4.03	5.53	3.94	5.20	29.03%
03/2007	5.20	5.43	4.66	5.34	2.69%
04/2007	5.34	6.98	5.30	6.12	14.61%
05/2007	6.12	6.20	5.52	5.85	-4.41%
06/2007	5.85	6.46	5.72	6.46	10.43%
07/2007	6.46	7.12	6.21	6.50	0.62%
08/2007	6.50	6.50	5.31	6.09	-6.31%
09/2007	6.09	6.94	5.84	6.81	11.82%
10/2007	6.81	8.43	6.81	8.10	18.94%
11/2007	8.10	9.87	7.17	8.53	5.31%
12/2007	8.53	9.78	8.53	9.78	14.65%
01/2008	9.78	10.32	6.85	8.25	-15.64%
02/2008	8.25	9.28	8.25	8.79	6.55%
03/2008	8.79	8.79	7.77	8.72	0.80%
04/2008	8.72	10.15	8.51	10.05	15.25%
05/2008	10.05	10.34	9.02	9.56	-4.88%
06/2008	9.56	9.82	6.51	6.51	-31.90%
07/2008	6.51	6.69	5.68	5.76	-11.52%
08/2008	5.76	7.36	5.72	7.17	24.48%
09/2008	7.17	7.22	3.85	4.19	-41.56%
10/2008	4.19	4.19	2.95	3.91	-6.68%
11/2008	3.91	4.38	3.04	3.69	-5.63%
12/2008	3.69	4.78	3.31	4.78	29.54%
01/2009	4.78	4.78	3.45	4.01	-16.11%
02/2009	4.01	4.24	3.20	3.20	-20.20%
03/2009	3.20	3.96	3.17	3.91	22.19%
04/2009	3.91	5.80	3.91	5.74	46.80%
05/2009	5.74	8.38	5.74	8.38	45.99%
06/2009	8.38	8.83	7.43	8.71	3.94%
07/2009	8.71	11.45	8.71	11.45	31.46%
08/2009	11.45	15.36	10.85	13.60	18.78%
09/2009	13.60	18.80	12.34	18.75	37.87%
10/2009	18.75	22.75	17.30	20.37	8.64%
11/2009	20.37	23.92	19.10	23.92	17.43%
12/2009	23.92	25.24	22.13	23.30	-2.59%
01/2010	23.30	25.10	21.30	21.91	-5.97%
02/2010	21.91	23.35	19.85	21.57	-1.55%
03/2010	21.57	26.92	21.57	26.51	22.90%
04/2010	26.51	28.87	23.82	23.82	-10.17%
05/2010	23.82	26.44	19.71	22.10	-7.20%
06/2010	22.10	22.70	19.00	19.77	-10.57%
07/2010	19.77	25.62	19.77	22.99	16.29%
08/2010	22.99	23.20	19.18	19.55	-14.94%
09/2010	19.55	22.05	19.52	22.05	12.79%
10/2010	22.05	23.67	20.55	23.51	6.62%
11/2010	23.51	24.81	23.17	23.75	1.02%
12/2010	23.75	28.08	23.75	27.44	15.52%
01/2011	27.44	33.35	27.44	30.25	10.26%
02/2011	30.25	32.05	28.49	30.10	0.51%
03/2011	30.10	31.98	28.20	30.70	2.01%
04/2011	30.70	31.30	27.72	28.81	-6.17%
05/2011	28.81	28.81	26.55	27.69	-3.89%
06/2011	27.69	27.69	22.72	23.56	-14.90%
07/2011	23.56	24.59	18.74	18.74	-20.48%
08/2011	18.74	19.05	14.30	15.74	-16.01%
09/2011	15.74	15.74	11.02	11.02	-30.00%
10/2011	11.02	11.19	9.15	10.25	-6.95%
11/2011	10.25	11.86	8.35	9.77	-4.71%
12/2011	9.77	9.90	8.73	9.84	0.71%
01/2012	9.84	12.42	9.84	10.38	5.54%
02/2012	10.38	13.95	10.38	12.54	20.80%
03/2012	12.54	14.45	11.36	13.09	4.35%
04/2012	13.09	13.97	12.61	13.80	5.46%
05/2012	13.80	13.83	11.74	11.74	-14.92%
06/2012	11.74	11.90	10.54	11.22	-4.45%
07/2012	11.22	11.80	9.79	10.78	-3.90%
08/2012	10.78	12.43	10.78	11.70	8.53%
09/2012	11.70	12.04	10.30	10.38	-11.28%
10/2012	10.38	10.42	9.79	10.21	-1.61%
11/2012	10.21	10.21	9.30	9.56	-6.38%
12/2012	9.56	9.61	8.70	8.81	-7.85%
01/2013	8.81	10.95	8.81	10.14	15.14%
02/2013	10.14	10.14	9.08	10.07	0.76%
03/2013	10.07	11.58	9.64	11.33	12.58%
04/2013	11.33	11.46	9.65	10.76	-5.05%
05/2013	10.76	13.80	10.70	13.80	28.24%
06/2013	13.80	13.80	12.08	12.85	-6.92%
07/2013	12.85	13.22	11.81	11.81	-8.07%
08/2013	11.81	13.13	11.81	11.89	0.69%
09/2013	11.89	13.23	11.89	12.52	5.28%
10/2013	12.52	12.52	9.95	10.75	-14.11%
11/2013	10.75	10.75	9.73	10.23	-4.85%
12/2013	10.23	10.53	9.75	10.53	2.88%
01/2014	10.53	11.87	10.30	11.24	6.79%
02/2014	11.24	12.65	10.79	12.09	7.60%
03/2014	12.09	12.80	11.40	11.77	-2.72%
04/2014	11.77	12.15	11.27	11.49	-2.31%
05/2014	11.49	11.49	10.09	10.76	-6.38%
06/2014	10.76	11.08	10.35	10.62	-1.34%
07/2014	10.62	10.88	9.93	10.13	-4.56%
08/2014	10.13	10.13	9.24	10.02	-1.14%
09/2014	10.02	12.29	9.70	12.02	19.96%
10/2014	12.02	12.03	9.49	9.77	-18.69%
11/2014	9.77	9.92	9.10	9.55	-2.22%
12/2014	9.55	9.55	8.93	9.35	-2.12%
01/2015	9.35	9.36	6.94	7.06	-24.46%
02/2015	7.06	7.62	6.43	7.23	2.34%
03/2015	7.23	7.40	6.75	7.08	-2.02%
04/2015	7.08	7.20	5.90	5.90	-16.69%
05/2015	5.90	7.39	5.90	6.95	17.78%
06/2015	6.95	6.99	6.08	6.08	-12.51%
07/2015	6.08	6.16	4.99	5.40	-11.20%
08/2015	5.40	5.97	4.98	5.80	7.43%
09/2015	5.80	6.67	5.15	5.44	-6.16%
10/2015	5.44	6.00	5.05	5.79	6.41%
11/2015	5.79	7.52	5.79	7.52	29.75%
12/2015	7.52	7.52	3.85	4.15	-44.82%
01/2016	4.15	4.15	3.20	3.30	-20.42%
02/2016	3.30	3.50	2.95	3.34	1.12%
03/2016	3.34	4.33	3.18	4.33	29.82%
04/2016	4.33	4.70	4.10	4.37	0.88%
05/2016	4.37	5.64	4.04	5.61	28.38%
06/2016	5.61	5.73	5.20	5.46	-2.66%
07/2016	5.46	5.59	5.16	5.59	2.44%
08/2016	5.59	5.64	5.45	5.51	-1.45%
09/2016	5.51	5.58	5.38	5.42	-1.69%
10/2016	5.42	5.85	4.49	4.52	-16.53%
11/2016	4.52	4.90	3.67	3.89	-14.01%
12/2016	3.89	3.97	3.07	3.07	-21.13%
01/2017	3.07	3.58	3.07	3.44	11.99%
02/2017	3.44	3.82	3.24	3.29	-4.28%
03/2017	3.29	3.52	3.29	3.48	5.87%
04/2017	3.48	5.05	3.43	5.05	45.00%
05/2017	5.05	6.08	5.05	5.88	16.42%
06/2017	5.88	6.21	5.53	6.21	5.65%
07/2017	6.21	7.90	6.21	7.53	21.29%
08/2017	7.53	8.07	6.68	8.07	7.13%
09/2017	8.07	11.37	8.07	11.37	40.88%
10/2017	11.37	13.35	10.52	13.35	17.42%
11/2017	13.35	14.79	12.20	12.25	-8.23%
12/2017	12.25	13.19	11.11	11.54	-5.76%
01/2018	11.54	13.39	11.54	12.30	6.55%
02/2018	12.30	16.39	10.68	16.26	32.20%
03/2018	16.26	19.22	15.64	15.77	-3.04%
04/2018	15.77	17.10	11.84	11.84	-24.93%
05/2018	11.84	13.90	11.84	12.80	8.15%
06/2018	12.80	13.45	10.61	11.07	-13.52%
07/2018	11.07	12.89	9.99	12.37	11.70%
08/2018	12.37	12.47	10.22	10.75	-13.06%
09/2018	10.75	10.87	8.65	8.65	-19.53%
10/2018	8.65	11.16	7.87	11.16	28.96%
11/2018	11.16	11.53	8.83	9.78	-12.34%
12/2018	9.78	10.05	7.95	8.39	-14.17%
01/2019	8.39	8.81	7.90	8.69	3.55%
02/2019	8.69	10.00	7.89	7.89	-9.16%
03/2019	7.89	8.38	7.68	7.99	1.17%
04/2019	7.99	10.30	7.99	10.30	28.91%
05/2019	10.30	10.68	8.60	8.60	-16.46%
06/2019	8.60	8.60	7.97	8.40	-2.33%
07/2019	8.40	10.18	7.38	10.18	21.19%
08/2019	10.18	10.38	8.92	9.03	-11.30%
09/2019	9.03	10.31	8.89	9.27	2.61%
10/2019	9.27	9.75	8.20	8.20	-11.50%
11/2019	8.20	9.04	8.20	8.63	5.22%
12/2019	8.63	8.63	7.98	8.53	-1.14%
01/2020	8.53	10.09	8.26	9.83	15.22%
02/2020	9.83	11.41	9.09	9.09	-7.53%
03/2020	9.09	9.82	6.39	8.03	-11.60%
04/2020	8.03	9.55	7.67	8.51	5.88%
05/2020	8.51	9.81	8.51	9.46	11.24%
06/2020	9.46	10.67	9.32	10.65	12.56%
07/2020	10.65	12.39	10.06	10.06	-5.54%
08/2020	10.06	11.05	9.60	9.60	-4.61%
09/2020	9.60	10.27	9.38	10.22	6.50%
10/2020	10.22	11.82	9.65	9.65	-5.54%
11/2020	9.65	12.13	9.50	12.13	25.65%
12/2020	12.13	14.58	11.96	14.24	17.39%
01/2021	14.24	16.30	14.24	15.46	8.57%
02/2021	15.46	19.34	15.46	18.89	22.19%
03/2021	18.89	19.42	16.49	19.42	2.81%
04/2021	19.42	19.82	17.19	17.92	-7.72%
05/2021	17.92	17.92	15.12	16.81	-6.19%
06/2021	16.81	23.37	16.81	22.97	36.64%
07/2021	22.97	22.97	20.19	20.75	-9.66%
08/2021	20.75	26.17	20.75	24.86	19.81%
09/2021	24.86	25.70	21.35	21.55	-13.31%
10/2021	21.55	22.40	20.19	20.57	-4.55%
11/2021	20.57	21.80	17.61	17.61	-14.41%
12/2021	17.61	18.57	16.55	17.87	1.48%
01/2022	17.87	20.35	17.49	18.22	1.99%
02/2022	18.22	19.26	14.60	19.26	5.71%
03/2022	19.26	20.92	16.58	19.87	3.17%
04/2022	19.87	24.77	19.50	24.77	24.66%
05/2022	24.77	27.85	23.24	27.50	11.02%
06/2022	27.50	27.56	22.61	24.34	-11.49%
07/2022	24.34	26.70	21.27	25.39	4.31%
08/2022	25.39	25.54	22.70	23.31	-8.19%
09/2022	23.31	25.68	22.46	24.40	4.68%
10/2022	24.40	29.05	24.40	24.86	1.89%
11/2022	24.86	31.26	24.86	31.26	25.74%
12/2022	31.26	31.68	27.35	27.35	-12.51%
01/2023	27.35	31.25	27.11	27.11	0.88%
02/2023	27.11	29.13	25.08	29.13	7.45%
03/2023	29.13	31.38	26.51	30.90	6.08%
04/2023	30.90	30.92	25.35	25.88	-16.25%
05/2023	25.88	29.25	25.73	29.15	12.64%
06/2023	29.15	31.47	28.18	31.25	7.20%
07/2023	31.25	36.04	28.08	36.04	15.33%
08/2023	36.04	36.04	34.43	34.78	-3.50%
09/2023	34.78	36.67	32.50	34.73	0.14%
10/2023	34.73	34.73	26.45	26.45	-23.84%
11/2023	26.45	33.49	26.05	33.49	26.62%
12/2023	33.49	39.16	32.66	38.55	15.11%
01/2024	38.55	38.55	32.71	34.88	-9.52%
02/2024	34.88	34.88	25.99	25.99	-25.49%
03/2024	25.99	28.45	24.10	24.65	-5.16%
04/2024	24.65	24.65	21.28	21.92	-11.08%
05/2024	21.92	23.96	21.08	21.08	-3.83%
06/2024	21.08	22.53	18.35	18.43	-12.57%
07/2024	18.43	22.30	18.08	21.69	17.69%
08/2024	21.69	21.69	17.09	17.29	-20.31%
09/2024	17.29	17.29	14.60	16.02	-7.35%
10/2024	16.02	16.02	14.62	14.65	-8.55%
11/2024	14.65	15.11	12.92	13.72	-6.32%
12/2024	13.72	15.38	13.72	15.23	10.97%
01/2025	15.23	15.75	13.12	13.60	-10.67%
02/2025	13.60	14.29	11.80	12.26	-9.89%
03/2025	12.26	12.90	10.32	10.32	-15.79%
04/2025	10.32	11.88	9.24	11.88	15.07%
05/2025	11.88	13.67	11.88	12.16	2.40%
06/2025	12.16	15.66	11.79	15.66	28.78%
07/2025	15.66	16.67	14.60	14.95	-4.53%
08/2025	14.95	14.95	12.63	12.63	-15.52%
09/2025	12.63	15.70	11.90	14.95	18.37%
10/2025	14.95	15.01	12.87	13.99	-6.42%
11/2025	13.99	19.47	13.99	18.00	28.66%
12/2025	18.00	18.42	16.40	17.13	-4.83%
EOF

set term pdf size 22,13
set term pdf font "sans,20"
set output "Aixtron_stock_price.pdf"
set grid
set key top left
set xdata time
set timefmt "%m/%Y"
set format x "%b %Y"
set xtics rotate by -90 
set xtics 365.25*24*60*60/1	# 1 tics per year

wd = 15.25*24*60*60	# 15.25 days box width
set style fill transparent solid 0.8
plot $data using 1:(($3+$4)/2):(wd):(($4-$3)/2) with boxxyerror lw 1 lc 3 title "Aixtron [DE000A0WMPJ6] "