By David Gross
F5, which has nearly tripled over the last 12 months, will be added to the S&P 500 after the market close December 17th. The stock was up over 5% after hours yesterday on this news, topping $145 a share.
Netflix, Cablevision, and Newfield Exploration will be joining F5 as new members of the index. Office Depot, The New York Times, Eastman Kodak, and King Pharmaceuticals will be moving out.