The S&P 500 (GSPC) returned 17.1% between May 1, 1998 and May 31, 1999.

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
May 28 1999	$1,281.41	$1,304.00	$1,281.41	$1,301.84	649,960,000
May 27 1999	$1,304.76	$1,304.76	$1,277.31	$1,281.41	811,400,000
May 26 1999	$1,284.40	$1,304.85	$1,278.43	$1,304.76	870,800,000
May 25 1999	$1,306.65	$1,317.52	$1,284.38	$1,284.40	826,700,000
May 24 1999	$1,330.29	$1,333.02	$1,303.53	$1,306.65	754,700,000
May 21 1999	$1,338.83	$1,340.88	$1,326.19	$1,330.29	686,600,000
May 20 1999	$1,344.23	$1,350.49	$1,338.83	$1,338.83	752,200,000
May 19 1999	$1,333.32	$1,344.23	$1,327.05	$1,344.23	801,100,000
May 18 1999	$1,339.49	$1,345.44	$1,323.46	$1,333.32	753,400,000
May 17 1999	$1,337.80	$1,339.95	$1,321.19	$1,339.49	665,500,000
May 14 1999	$1,367.56	$1,367.56	$1,332.63	$1,337.80	727,800,000
May 13 1999	$1,364.00	$1,375.98	$1,364.00	$1,367.56	796,900,000
May 12 1999	$1,355.61	$1,367.36	$1,333.10	$1,364.00	825,500,000
May 11 1999	$1,340.30	$1,360.00	$1,340.30	$1,355.61	836,100,000
May 10 1999	$1,345.00	$1,352.01	$1,334.00	$1,340.30	773,300,000
May 07 1999	$1,332.05	$1,345.99	$1,332.05	$1,345.00	814,900,000
May 06 1999	$1,347.31	$1,348.36	$1,322.56	$1,332.05	875,400,000
May 05 1999	$1,332.00	$1,347.32	$1,317.44	$1,347.31	913,500,000
May 04 1999	$1,354.63	$1,354.64	$1,330.64	$1,332.00	933,100,000
May 03 1999	$1,335.18	$1,354.63	$1,329.01	$1,354.63	811,400,000
April 30 1999	$1,342.83	$1,351.83	$1,314.58	$1,335.18	936,500,000
April 29 1999	$1,350.91	$1,356.75	$1,336.81	$1,342.83	1,003,600,000
April 28 1999	$1,362.80	$1,368.62	$1,348.29	$1,350.91	951,700,000
April 27 1999	$1,360.04	$1,371.56	$1,356.55	$1,362.80	891,700,000
April 26 1999	$1,356.85	$1,363.56	$1,353.72	$1,360.04	712,000,000