Thursday SPX open====1752.99 SPX close===1773.43 SPX low=====1752.99 SPX high====1774.06 Friday SPX open====1776.01 SPX close===1797.02 SPX low=====1776.01 SPX high====1798.03 Monday SPX open====1796.20 SPX close===1799.84 SPX low=====1791.83 SPX high====1799.94 Tuesday SPX open====1800.45 SPX close===1819.75 SPX low=====1800.41 SPX high====1823.45