Happy Saturday!It was a busy week for Wall Street news, with fines, exits, pay cuts, and more. Here's what you need to know: 2 top Morgan Stanley commodities execs have left after the bank discovered the group was improperly using WhatsApp to communicate. A source familiar with the matter told Business Insider the two had displayed a "failure to supervise use of the communications within the commodities business."Goldman Sachs is paying billions in fines over the 1MDB scandal and cutting exec pay.