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- US stocks closed higher Monday as investors tried to navigate uncertainty in the banking system.
- UBS' takeover of Credit Suisse over the weekend cooled some fears of a wider crisis.
- Morgan Stanley said recent bank failures mark what's likely to be a "vicious" end to the bear market.
US stocks rallied on Monday as traders digested efforts to contain a banking crisis and braced for the next policy decision from Federal Open Market Committee meeting this week.