The S&P 500 (GSPC) returned -4% in October 1957.

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
October 31 1957	$41.06	$41.06	$41.06	$41.06	2,170,000
October 30 1957	$41.02	$41.02	$41.02	$41.02	2,060,000
October 29 1957	$40.69	$40.69	$40.69	$40.69	1,860,000
October 28 1957	$40.42	$40.42	$40.42	$40.42	1,800,000
October 25 1957	$40.59	$40.59	$40.59	$40.59	2,400,000
October 24 1957	$40.71	$40.71	$40.71	$40.71	4,030,000
October 23 1957	$40.73	$40.73	$40.73	$40.73	4,600,000
October 22 1957	$38.98	$38.98	$38.98	$38.98	5,090,000
October 21 1957	$39.15	$39.15	$39.15	$39.15	4,670,000
October 18 1957	$40.33	$40.33	$40.33	$40.33	2,670,000
October 17 1957	$40.65	$40.65	$40.65	$40.65	3,060,000
October 16 1957	$41.33	$41.33	$41.33	$41.33	2,050,000
October 15 1957	$41.67	$41.67	$41.67	$41.67	2,620,000
October 14 1957	$41.24	$41.24	$41.24	$41.24	2,770,000
October 11 1957	$40.94	$40.94	$40.94	$40.94	4,460,000
October 10 1957	$40.96	$40.96	$40.96	$40.96	3,300,000
October 09 1957	$41.99	$41.99	$41.99	$41.99	2,120,000
October 08 1957	$41.95	$41.95	$41.95	$41.95	3,190,000
October 07 1957	$42.22	$42.22	$42.22	$42.22	2,490,000
October 04 1957	$42.79	$42.79	$42.79	$42.79	1,520,000
October 03 1957	$43.14	$43.14	$43.14	$43.14	1,590,000
October 02 1957	$43.10	$43.10	$43.10	$43.10	1,760,000
October 01 1957	$42.76	$42.76	$42.76	$42.76	1,680,000