Index Shuffling: PrivateBancorp To Join S&P MidCap 400, Cogent Communications To Join S&P SmallCap 600

S&P Dow Jones Indices announced after Thursday's market close several changes to its indices. PrivateBancorp Inc PVTB will replace Sirona Dental Systems, Inc. SIRO in the S&P MidCap 400 index while Cogent Communications Holdings Inc CCOI will replace PrivateBancorp in the S&P SmallCap 600 index. The changes are expected to take place after Monday's market close. The changes were made following the close of DENTSPLY International Inc. XRAY acquisition of Sirona Dental. S&P Dow Jones Indices added that Dentsply International, a component of the S&P 500 index, will change its name to Dentsply Sirona following the merger.