Micron Technology Inc.'s MU shares surged 4.8% after reporting second-quarter fiscal 2021 adjusted earnings per share of $0.98, surpassing the Zacks Consensus Estimate of $0.95.Guess' Inc. GES shares climbed 4.5% after the company reported fourth-quarter fiscal 2021 adjusted earnings per share of $1.18, outpacing the Zacks Consensus Estimate of $0.57.Shares of Western Digital Corp. WDC jumped 6.9% following news that the company is mulling to acquire Kioxia Holdings Corp. of Japan for a potential value of $30 billion.Shares of Johnson & Johnson JNJ dropped 0.9% after the company revealed that COVID-19 vaccine produced by one of its manufacturing partner failed to meet quality standards.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 Johnson & Johnson (JNJ): Get Free Report Micron Technology, Inc. (MU): Get Free Report Guess, Inc. (GES): Free Stock Analysis Report Western Digital Corporation (WDC): Get Free Report To read this article on Zacks.com click here. Zacks Investment Research