** Shares of Workday WDAY.O and Apollo Global Management APO.N rise, respectively, 9.2% to $291 and 6% to $188.49 aftermarket

** Both Apollo Global Management and Workday will replace Qorvo QRVO.O and Amentum Holdings AMTM.N in the S&P 500

** The change goes into effect on Dec. 23, S&P Dow Jones Indices said in a statement

** Pleasanton, California-based Workday was founded in 2005 and went public on the NYSE in 2012; Apollo Global was publicly listed in 2011

** 28 of 39 brokerages rate WDAY "buy" or higher and 16 of 21 brokerages rate APO "buy" or higher; their median PTs are $290 and $170 respectively

** YTD, WDAY down 3.6%, APO up 90.9%

(Reporting by Abhinav Parmar in Bengaluru)

((abhinav.parmar@thomsonreuters.com))