Banks. Just Saying The recent merger between UBS and Credit Suisse is unprecedented If the merger is unsuccessful the outcome could be a wave of banks being downgraded in stock value This in itself could create a chain reaction of bank selloffs  

The more important question is what about UBS? Look at this Asking the investment bank for greater collateral and earlier, that sort of thing. That kills the activity of a bank as well. Will UBS go bust buying Credit Suisse? It might sound a little 

Apple, Amazon, and Google report tomorrow after the close. 

GOOGLE STOCK HAS LOST OVER 200 BILLION DOLLARS SINCE YESTERDAY AFTER ITS AI CHATBOT MADE A SMALL ERROR