• Costco Wholesale Corporation’s (COST) shares increased 1.2% after the company increased its quarterly dividend from $0.40 per share to $0.45 per share • Shares of Ixia (XXIA) slumped 16.5% after the company announced fresh earnings guidance within the range of $0.05-$0.08 per share, lower than the previous guidance of $0.10-$0.14 per share • Regions Financial Corporation (RF) shares rose 3.1% after posting first quarter earnings of $0.20 per share, exceeding the Zacks Consensus Estimate by a cent • Shares of Washington Federal, Inc. (WAFD) advanced 0.9% after reporting first quarter earnings of $0.45 per share, more than the Zacks Consensus Estimate of $0.41 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 COSTCO WHOLE CP (COST): Free Stock Analysis Report IXIA (XXIA): Free Stock Analysis Report REGIONS FINL CP (RF): Free Stock Analysis Report WASH FEDL INC (WAFD): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research