 NEW YORK, June 16, 2021 PRNewswire -- Two Harbors Investment Corp. NYSE:TWO will replace Cardtronics plc NASD:CATM in the SP SmallCap 600 effective prior to the opening of trading on Tuesday, June 22. SP MidCap 400 constituent NCR Corp. NYSE: NCR is acquiring Cardtronics in a deal expected to be completed soon pending final closing conditions. 