After starting out strong, the S&P 500 is now down about 1% this earnings season. The average stock that has reported has gone down 0.27% on its report day as well, so while the numbers have come in strong, stocks have reacted very poorly.
Below we highlight stocks that have gone up or down at least 15% on their report days this earnings season. Companies highlighted in yellow are in the S&P 500. As shown, Revlon (NYSE:REV) went up the most on its earnings report with a gain of 43.3% yesterday. Amazon.com (NASDAQ:AMZN) ranks second with a gain of 26.8%, followed by Timberland (NYSE:TBL), American Superconductor (AMSC, New York Times (NYSE:NYT), Cardtronics (NASDAQ:CATM), and SLM Corp. (NYSE:SLM). Other notables on the earnings winners list include Lexmark (NYSE:LXK) and RadioShack (NYSE:RSH).
Amcore Financial (AMFI) went down the most on its earnings report this season with a one-day decline of 38.4%. K-Sea (NYSE:KSP) and PrivateBancorp (NASDAQ:PVTB) both went down more than 35% as well. Goodyear Tire (NYSE:GT), Apollo Group (NASDAQ:APOL), and Boston Scientific (NYSE:BSX) are the S&P 500 names on the list of losers.