Monday SPX open====1818.18 SPX close===1830.61 SPX low=====1815.80 SPX high====1834.19 Tuesday SPX open====1831.45 SPX close===1842.98 SPX low=====1816.29 SPX high====1844.02 Wednesday SPX open====1846.01 SPX close===1862.31 SPX low=====1846.01 SPX high====1862.31 Thursday SPX open====1861.73 SPX close===1864.85 SPX low=====1856.72 SPX high====1869.63