So far this earnings season, 43 stocks in the S&P 500 (NYSEARCA:SPY) have gained more than 5% on their earnings reaction days (first trading day following earnings). Below is a list of these 43 large-cap earnings season winners. As shown, Nvidia (NASDAQ:NVDA) and Southwestern Energy (NYSE:SWN) rank #1 and #2 with one-day gains of more than 15%. Electronic Arts (NASDAQ:EA) ranks third with a gain of 13.7%, followed by Monster Beverage (NASDAQ:MNST) and Boston Scientific (NYSE:BSX). Norfolk Southern (NYSE:NSC) is the only other S&P 500 name that gained more than 10%. Amazon.com (NASDAQ:AMZN) came mighty close, though, with a gain of 9.57%.
Other notables on the list of earnings season winners include Expedia (NASDAQ:EXPE), Facebook (NASDAQ:FB), Under Armour (NYSE:UA), Whole Foods (WFM), and Biogen (NASDAQ:BIIB). Next to each of the stocks listed, we've also included how it has performed since the close on its earnings reaction day. This shows how the stock has done since its initial one-day earnings move. Some stocks have continued higher, but overall, the average change has been -0.70%. That means there hasn't been much follow-through to the upside even for this season's biggest winners. Three stocks on the list - Range Resources (NYSE:RRC), Under Armour (UA), Centene (NYSE:CNC) - gained more than 5% on their earnings reaction days, but have since fallen more than 10%. Talk about a pump fake.