The U.S. Federal Reserve is expected to hike its short-term interest rate this week. The move is seen as a sign of confidence in the economy, but it could put the brakes on some sectors of the economy. Federal Reserve Chairman Janet Yellen had planned to raise the benchmark rate earlier in the fall but delayed the move after financial markets tumbled when China devalued its currency. ARN's US Correspondent Mary MacCarthy has the details.
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