Shares of Yandex N.V. YNDX gained 3.2% after the company’s merger of its ride-sharing business unit with Uber was approved by a Russian regulatorSandRidge Energy, Inc.’s SD shares surged 8% after Dow Jones reported that Carl Icahn has purchased a 13% stake in the companyShares of RYB Education, Inc. RYB tumbled 38.4% after reports surfaced that the China’s Police is probing claims of molestation and needlemarks on children at Beijing KindergartenShares of General Electric GE gained 0.2% after Securities and Exchange Commission reported that James Tisch bought three million shares worth $53.7 millionWant 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 Yandex N.V. (YNDX): Free Stock Analysis Report General Electric Company (GE): Free Stock Analysis Report SandRidge Energy, Inc. (SD): Free Stock Analysis Report RYB Education, Inc. Sponsored ADR (RYB): Free Stock Analysis Report To read this article on Zacks.com click here.