These 3 Stocks are Providing Leadership to the S&P 500

The S&P 500 (NYSE:SPY) is up today by 1.00% and stands at 1,237. Here are three well-performing stocks.

F5 Networks (NASDAQ:FFIV): A strong quarterly report, guidance about 2012 revenue growth that beats expectations and strong sales of its latest mid-range switch are propelling F5 upwards today. The stock is up 15.42%.

Investing Insights: Are Gold & Silver Investing Safe-Havens Again?

Express Scripts (NASDAQ:ESRX): A 143% jump in cash flow and and a 7% year over year jump in gross profit is treating Express Scripts (NASDAQ:ESRX) quite nicely. The stock is doing well even though the company will probably be unable to keep Walgreen Stores (NYSE:WAG) in its network. The stock is up 14.61%.

Valero Energy (NYSE:VLO): The English newspaper The Daily mail has reported that Royal Dutch Shell are in a bidding war with other rivals to take over Valero Energy. This can only help Valero. The stock is up 11.26%.

Don’t Miss: 3 Standout Stocks on the Dow Jones Industrial Average.