Wall Street reversed course late Tuesday, with the S&P 500 and the Dow whipsawing to positive territory by the closing bell in a tug-of-war between stocks that thrived amid lockdowns and those that stand to benefit most from a reopening economy.

Federal Reserve Chair Jerome Powell on Tuesday pushed back on suggestions that U.S. central bank support for the economy risked inflating a dangerous asset bubble, insisting the support was still needed and that investors were responding mostly to expectations for a successful recovery.

S&P/Case-Shiller released the monthly Home Price Indices for December ("December" is a 3 month average of October, November and December prices). This release includes prices for 20 individual cities, two composite indices (for 10 cities and 20 cities) and the monthly National index. From S&P: S&P Corelogic Case-Shiller Index Reports 10.4% Annual Home Price Gain to End 2020 The S&P CoreLogic Case-Shiller U.S. National Home Price NSA Index, covering all nine U.S. census divisions, reported a 10.4% annual gain in December , up from 9.5% in the previous month. The 10-City Composite annual increase came in at 9.8%, up from 8.9% in the previous month. The 20-City Composite posted a 10.1% year-over-year gain, up from 9.2% in the previous month. Phoenix, Seattle, and San Diego continued to report the highest year-over-year gains among the 19 cities (excluding Detroit) in December. Phoenix led the way with a 14.4% year-over-year price increase, followed by Seattle with a 13.6% increase and San Diego with a 13.0% increase. Eighteen of the 19 cities reported higher price increases in the year ending December 2020 versus the year ending November 2020. ... Before seasonal adjustment, the U.S. National Index posted a 0.9% month-over-month increase, while the 10-City and 20-City Composites both posted increases of 0.9% and 0.8% respectively in December. After seasonal adjustment, the U.S. National Index posted a month-over-month increase of 1.3%, while the 10-City and 20-City Composites both posted increases of 1.2% and 1.3% respectively. In December, 18 cities (excluding Detroit) reported increases before seasonal adjustment, while all 19 cities reported increases after seasonal adjustment. "Home prices finished 2020 with double-digit gains, as the National Composite Index rose by 10.4% compared to year-ago levels," says Craig J. Lazzara, Managing Director and Global Head of Index Investment Strategy at S&P DJI. "The...