Microsoft Corporation’s MSFT shares rose 1.1% after the company announced the acquisition of ZeniMax Media and its game publisher Bethesda Softworks for $7.5 billion in cash.Shares of Roku, Inc. ROKU surged 17.7% after the company announced a streaming carriage deal with Peacock.Nikola Corporation’s NKLA shares plunged 19.3% after the company announced that Executive Chairman Trevor Milton has stepped down amid allegations.Shares of Illumina, Inc. ILMN fell 8.6% after the company announced plans to acquire GRAIL for $8 billion in cash and stock consideration.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 Microsoft Corporation (MSFT): Free Stock Analysis Report Illumina, Inc. (ILMN): Free Stock Analysis Report Roku, Inc. (ROKU): Free Stock Analysis Report Nikola Corporation (NKLA): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research