Standard & Poor's shuffled several indices due to the recent acquisition of Guidant Corp. by Boston Scientific Corp. As a result, Legg Mason Inc. will replace Guidant Corp. in the S&P 500; Oshkosh Truck Corp. will replace Legg Mason in the S&P MidCap 400 and Skechers USA Inc. will replace Oshkosh Truck in the S&P SmallCap 600.