Wall Street's main indexes opened flat to slightly higher in Tuesday's shortened trading session, with U.S. stocks entering a historically strong period before rounding off their second consecutive year of gains.

The S&P 500 posted two new 52-week highs and one new low, while the Nasdaq Composite recorded 26 new highs and 43 new lows.

Technology stocks led a broad rally on Wall Street during a holiday-shortened trading session the day before Christmas.

Wall Street's main indexes all closed higher on Tuesday, with gains in megacap and growth stocks bolstering benchmarks in a truncated Christmas Eve session. Both the Dow Jones Industrial Average and Nasdaq Composite scored four straight sessions of gains,

Stocks shook off a choppy start to finish higher Monday, as Wall Street kicked off a holiday-shortened week. The S&P 500 ended 0.7% higher after having been down 0.5% in the early going. The Dow Jones Industrial Average also recovered from an early slide to eke out a 0.2% gain. The tech-heavy Nasdaq composite rose 1%.

The Santa Claus Rally period starts Tuesday, with stocks rising an average of 1.3%. The Grinch might spoil our bullish holiday season, but the odds favor Santa's arrival.

Wall Street's main indexes all ended higher on Tuesday, with gains in megacap and growth stocks bolstering benchmarks in a truncated Christmas Eve session. Both the Dow Jones Industrial Average and the Nasdaq Composite scored four straight sessions of gains.

U.S. stock indexes edged higher in morning trading Tuesday, as gains for some Big Tech stocks made up for weakness elsewhere in the market. The S&P 500 rose 0.4%. The Dow Jones Industrial Average was up 14 points,