Symantec to Be Added to S&P; 500 Index

Shares of Symantec Corp. rose in after-hours trading Monday after Standard & Poor’s Corp. said the world’s largest anti-virus software maker will be added to the S&P; 500 index.

The Cupertino, Calif.-based company’s stock rose to $40.60 after falling $3.47 to $39.09 in regular New York Stock Exchange trading.

Symantec will replace Household International Inc., a financial services firm that is being acquired by HSBC Holdings, in the benchmark S&P; 500 after the close of trading Friday, S&P; said.