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.

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%.

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.

One stock that's benefited immensely from the AI revolution is SoundHound AI (NASDAQ: SOUN). Enterprise customers license its technology to support their voice-activated AI agents, which are like chatbots that can behave autonomously in a specific environment.

NEW YORK — Stocks shook off a choppy start to finish higher Monday, as Wall Street kicked off a holiday-shortened week.

Stocks are broadly higher in trading on Wall Street, led by gains in Big Tech stocks. The S&P 500 was up 0.7% Tuesday. Chip company Broadcom was again helping to

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.