S&P Dow Jones Indices said late Thursday that industrial company Gardner Denver Holdings Inc. will replace Cimarex Energy Co. /zigman2/quotes/205517948/composite XEC +3.18% in the S&P 500 index /zigman2/quotes/210599714/realtime SPX -1.51% , and Cimarex will replace Chesapeake Energy Corp. /zigman2/quotes/201364537/composite CHK +3.75% in the S&P MidCap 400. "Chesapeake Energy is ranked near the bottom of the S&P MidCap 400 and is no longer representative of the mid-cap market space," S&P Dow Jones said in a statement. The changes take place before the open on Tuesday, S&P Dow Jones said. S&P 500 component Ingersoll-Rand Plc /zigman2/quotes/202048975/composite IR +1.95% is spinning off its industrial segment business which will merged with Gardner Denver Holdings. After the spin-off, Ingersoll-Rand will change its name and ticker to Trane Technologies Plc /zigman2/quotes/202648041/composite TT -3.42% , and Trane will remain in the S&P 500, S&P Dow Jones Indices said in the statement.