“SAN FRANCISCO (MarketWatch) — Shares of Facebook Inc. jumped in the extended session Wednesday after S&P Dow Jones Indices said it was adding the social networking company to the S&P 500.
Facebook FB +4.01% shares surged more than 4% to $51.42 on very heavy volume after S&P said it would add the company to its S&P 500 Index SPX -1.13% and to its S&P 100 Index OEX -0.98% . Facebook shares were the most active stock after hours at more than 5.4 million shares trading hands.
Other new companies added to the S&P 500 include …..”
