S&P MidCap 400 constituent Nordson Corp. looks to replace Xilinx Inc. in the S&P 500 effective before the opening of trading on Tuesday, February 15. S&P SmallCap 600 constituent PDC Energy Inc. will replace Nordson in the S&P MidCap 400, and XPEL Inc. will replace PDC Energy in the S&P SmallCap 600. S&P 500 constituent Advanced Micro Devices Inc.’s acquisition…