Among the mega tech stocks, Microsoft (NASDAQ: MSFT) has been unable to get on track this year. A new federal government investigation into whether Microsoft has violated antitrust laws could push it down even more. Cloud computing has been vital to Microsoft’s growth in recent years. It is the No.2 cloud computing firm based on revenue, behind only Amazon.com (NASDAQ: AMZN). The news agency said a particular target is Micosoft’s AI operations.