Yelp Inc. YELP shares jumped 26.7% after the company reported second-quarter 2018 adjusted earnings per share of $0.38 surpassing the Zacks Consensus Estimate of $0.25Roku Inc. ROKU surged 21.3% after the company posted second-quarter 2018 adjusted earnings per share of a breakeven beating the Zacks Consensus Estimate of a loss of $0.15IAC/InteractiveCorp.’s IAC shares soared 8.7% after reporting second-quarter 2018 non-GAAP earnings per share of $2.32 outpacing the Zacks Consensus Estimate of $0.82Shares of Viacom Inc. VIAB gained 6% after posting third-quarter fiscal 2018 adjusted earnings per share of $1.18 beating the Zacks Consensus Estimate of $1.07Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Viacom Inc. (VIAB): Free Stock Analysis Report IAC/InterActiveCorp (IAC): Free Stock Analysis Report Yelp Inc. (YELP): Get Free Report Roku, Inc. (ROKU): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research