Below is a look at the 30 best and 30 worst performing S&P 500 stocks on their earnings reaction days this season. DISH Network (DISH) posted a one-day gain of 14.53% on August 3rd following earnings, and that has held up as the best performer in the S&P 500 this season. Advanced Micro (AMD) ranks second with a one-day gain of 14.33%.

Other notables on the list of earnings season winners include Hasbro (HAS), Corning (GLW), Expedia (EXPE), and Kraft Heinz (KHC ).

To rank in the top 30, a stock needed to have gained at least 7.75% on its earnings reaction day.  Notice that none of the FAANG stocks made the list of biggest winners this earnings season.

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While no FAANG stocks made the list of biggest earnings season winners, one of them made the list of worst performers. As shown, Facebook (FB ) posted a decline of 18.96% on its earnings reaction day following its report on July 25th, which was the fourth biggest drop of any S&P 500 stock this earnings season. Not to be outdone, social media competitor Twitter (TWTR) fell even more than Facebook when it reported two days later, dropping 20.54% for the 2nd worst decline on earnings this season.

Nielsen (NLSN) — the consumer engagement ratings company — has seen the biggest drop on earnings this season with a one-day decline of 25% on July 26th. Other notables on the list of earnings season losers include eBay (EBAY), News Corp (NWSA), Whirlpool (WHR), TripAdvisor (TRIP), Intel (INTC), and Halliburton (HAL).

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