International Business Machines (IBM) returned 3.9% in December 1963.

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
December 31 1963	$1.33	$1.35	$1.33	$1.35	1,820,040
December 30 1963	$1.32	$1.33	$1.32	$1.33	1,796,505
December 27 1963	$1.31	$1.32	$1.31	$1.31	1,129,680
December 26 1963	$1.29	$1.31	$1.29	$1.30	541,305
December 24 1963	$1.28	$1.29	$1.28	$1.29	494,235
December 23 1963	$1.28	$1.29	$1.28	$1.28	627,600
December 20 1963	$1.28	$1.29	$1.27	$1.28	470,700
December 19 1963	$1.28	$1.29	$1.28	$1.28	502,080
December 18 1963	$1.28	$1.30	$1.28	$1.28	651,135
December 17 1963	$1.27	$1.28	$1.27	$1.28	470,700
December 16 1963	$1.26	$1.28	$1.26	$1.26	258,885
December 13 1963	$1.26	$1.27	$1.26	$1.26	360,870
December 12 1963	$1.27	$1.28	$1.26	$1.26	251,040
December 11 1963	$1.28	$1.28	$1.27	$1.27	258,885
December 10 1963	$1.28	$1.28	$1.27	$1.28	313,800
December 09 1963	$1.29	$1.29	$1.27	$1.29	643,290
December 06 1963	$1.29	$1.30	$1.28	$1.29	455,010
December 05 1963	$1.29	$1.30	$1.29	$1.29	572,685
December 04 1963	$1.30	$1.30	$1.28	$1.28	658,980
December 03 1963	$1.31	$1.31	$1.29	$1.30	706,050
December 02 1963	$1.30	$1.31	$1.30	$1.31	713,895