Big 6 tech stocks downgraded by UBS on 'collapsing' earningsYahoo! Finance: Company News • 3 days agoUBS Chief Investment US Equity Strategist Jonathan Golub downgraded the "Big Six" tech stocks - Amazon (AMZN), Apple (AAPL), Alphabet (GOOG, GOOGL), Nvidia (NVDA), Meta (META), Microsoft (MSFT...