The S&P 500 rallied to close at a new record high Friday, lifted by Broadcom and other chipmakers, while a weaker-than-expected jobs report did little to alter expectations of interest rate cuts from the Federal Reserve this year.

Wall Street's three main indexes all gained in 2026's first full week of trading, fueled by increases in materials, industrials ‍and other sectors that have lagged technology stocks in recent years.

A Labor Department report showed U.S. ‍employment growth slowed more than expected in December, but a decline in the unemployment rate to 4.4% suggested the labor market was not rapidly deteriorating.

Chip stocks rallied, with the PHLX ⁠semiconductor index jumping to a record high.

Lam Research rallied after Mizuho raised its price target on the chip manufacturing tool maker to $220 from $200.

Broadcom, Alphabet and Tesla lifted the S&P 500 and Nasdaq.

Vistra jumped after Meta Platforms ​agreed to buy power from the company's nuclear plants.

"On the overall AI theme, investors are getting granular and picking the winners and losers in terms of sub-themes and individual names," said Zachary Hill, head of portfolio management at Horizon Investments in Charlotte, North Carolina.

"We view that ‍as a more positive development. It means that we're getting closer to the monetization phase, where people can actually see ⁠and touch the revenue enhancements that are going to come from this revolutionary technology."

Intel rallied after Trump said he had a "great meeting" with the chipmaker's chief executive officer, Lip-Bu Tan.

According to preliminary data, the S&P 500 gained 44.32 points, or 0.64%, to end at 6,965.78 points, while the Nasdaq Composite gained 189.73 points, or 0.81%, to 23,669.75. The Dow Jones Industrial Average rose 234.09 ⁠points, or 0.48%, to 49,500.20.

Valuations on Wall Street ​were relatively high ahead of fourth-quarter earnings ⁠season.

The S&P 500 is trading at about 22 times expected earnings, down from 23 in November, but above its five-year average of 19, according ‍to LSEG data.

Underscoring a recent shift toward stocks that have underperformed in recent years, the S&P 500 value index has climbed about 3% so far in ‌2026, beating a 1% gain in the S&P 500 growth index.

The U.S. Supreme Court said it would not issue a ruling on Friday on the legality of U.S. President Donald Trump's sweeping tariffs.

This left investors, many of whom ⁠expected a decision, awaiting ​clarity.

Traders anticipate heightened volatility across ‍financial markets if the court strikes down the tariffs.

Mortgage lenders rose a day after Trump said he is ordering his representatives to buy $200 billion in mortgage bonds to bring down housing costs.

LoanDepot, Rocket ‍Companies and Opendoor Technologies rallied.

General Motors shares fell after the automaker said on Thursday it would take a $6 billion charge to unwind some electric-vehicle investments.