NEW YORK (TheStreet) --  U.S. stocks zipped to record highs Monday as the 'Santa Claus' rally gathered strength from rising consumer spending in November while the Reuters/University of Michigan consumer sentiment index for December hit 82.5 -- the best reading since July. Stocks received a further boost from the International Monetary Fund which raised its outlook for U.S. economic growth. 

Signs of consumer strength continue to bolster investment sentiment in the wake Federal Reserve's decision last week to begin tapering its unprecedented economic stimulus program.

The S&P 500 gained 0.53% to close at 1,827.99 while the Dow Jones Industrial Average added 0.45% to 16,294.61 -- records for both indices. The Nasdaq climbed 1.08% to 4,148.90. The S&P 500 is up more than 28% in 2013.

Apple (AAPL) boosted the Nasdaq on Monday after the company and China Mobile (CHL) reached a deal to bring the iPhone to the world's largest mobile phone network. Apple shares closed up 3.8% to $570.09.

The U.S. Commerce Department reported that consumer spending rose 0.5% in November, in-line with economists' projections, while personal income ticked up just 0.2%; economists were forecasting 0.5%. The rise in consumer spending added another economic indicator to a raft of positive data that has suggested steady improvement in the U.S. economy.

IMF Managing Director Christine Lagarde said in an interview with NBC's "Meet the Press" that U.S. growth is picking up and unemployment is dipping, which influenced the organization's decision to raise its forecast.

Investors continued to ride a Santa Claus rally fueled by the Fed's tapering decision and the stronger-than-expected economic growth in the world's largest economy.

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