• Restoration Hardware Holdings, Inc’s (RH) shares jumped 4.9% after the company agreed to acquire Waterworks for $117 million • Shares of ADTRAN, Inc. (ADTN) surged 4% after reporting first quarter earnings of $0.11 per share, beating the Zacks Consensus Estimate of $0.08 • Healthcare Services Group Inc’s (HCSG) advanced 1.4% after posting first quarter revenues of $384.8 million, outpacing the Zacks Consensus Estimate of $378 million • Shares of Commerce Bancshares, Inc. (CBSH) rose 2.8% after reporting first quarter earnings of $0.65 per share, beating the Zacks Consensus Estimate by a couple of cents Want 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 RESTORATION HDW (RH): Free Stock Analysis Report ADTRAN INC (ADTN): Free Stock Analysis Report HEALTHCARE SERV (HCSG): Free Stock Analysis Report COMMERCE BANCSH (CBSH): Free Stock Analysis Report To read this article on Zacks.com click here.