标准普尔500指数(1950-2012)月走势图.xlsx

文档介绍：标普500指数月线日期收盘1950/1//3//5//7//9//11//1//3//5//7//9//11//1//3//5//7//9//11//1//3//5//7//9//11//1//3//5//7//9//11//1//3//5//7//9//11//1//3//5//7//9//11//1//3//5//7//9//11//1//