Blue Light Special By: TalkMarkets February 20, 2015 at 02:51 AM EST The S&P 500 is up 5.2 percent in February, rebounding from a January slump. If the index holds those gains it will be the best monthly performance since October 2011. Read More >> Related Stocks: Samsung Electronics Ltd Standard & Poors 500 Wal-Mart Stores, Inc. iPath Dow Jones-Goldman Sachs Crude Oil Fund