The buzziest private companies are being sold to a select few as the universe of stocks everyone else can invest in shrinks rapidly.

More drops for superstars caught up in Wall Street’s artificial-intelligence frenzy knocked the U.S. stock market off its record highs.

The S&P 500 fell 0.9% from its all-time high set the day before and was heading toward its worst day in three weeks. The weakness for tech stocks yanked the Nasdaq composite down by a market-leading 1.4%, as of 12:48 p.m. Eastern time, and the Dow Jones Industrial Average gave back 153 points, or 0.3%, after setting its own record the day before.

US stocks traded lower on Friday as technology shares fell. The NASDAQ 100 dropped 1.9%. The S&P 500 declined 1.3% after a record close on Thursday. The Dow

The Dow Jones Industrial Average rose 0.03%, the S&P 500 rose 0.07%, the Nasdaq Composite rose 0.25%

The stock market's typically stabilizing force, the Federal Reserve, has turned into a liability.

Here's what you need to know about whether U.S. stock markets will be open or closed on Christmas Eve and Christmas Day this year.

As 2026 approaches, quantum computing is shifting from lab-stage research to early commercial traction. This shift has kept the spotlight on three

The U.S. stock market is having a terrific year. The benchmark S&P 500 ( ^GSPC +0.67%) is up 16% in 2025 despite economic uncertainty created by President Trump's tariffs. But there could be trouble on the horizon.