Nvidia Corp. will replace Time Warner Inc. in the S&P 100 index prior to the opening bell on June 20, S&P Dow Jones Indices said late Friday. Nvdia stock was flat in after hours trading and closed down 0.6% to $265.26 during the regular session. The change in the index comes as the AT&T Inc. -Time Warner merger closed earlier this week. FleetCor Technologies Inc. will replace Time Warner in the S&P 500 index FleetCor stock is up nearly 5% in after hours trading and closed up 0.8% to $216.29 during the regular session.