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- US stocks jumped as investors await the Fed's monetary policy decision on Wednesday.
- The central bank is expected to hike rates 25 basis points as inflation remains high.
- Bank stocks rallied as Treasury Secretary Janet Yellen said deposit insurance could expand.
US stocks rose on Tuesday as investors prepared for the Fed's next interest rate decision while the bank sector rallied on prospects for more deposit insurance.
Central bankers began their two-day Federal Open Markets Committee meeting and are set to deliver their next policy move on Wednesday afternoon. Markets are pricing in an 83% chance the Fed hikes rates by 25 basis points.