As artificial intelligence (AI) and cloud computing continue to dominate the tech sector, Wall Street analysts are upgrading their outlooks for two mega-cap giants, Broadcom (NASDAQ: AVGO) and Microsoft (NASDAQ: MSFT). AVGO price target as high as $400Analyst Vijay Rakesh of Mizuho Securities upgraded his position on Broadcom to “Buy” on July 16 while increasing the target price from$315 to $320.Just a day earlier, Rick Schafer over at Oppenheimer increased his target price from$265 to no less than $305, ...