Dow Jones stocks fell further below their 50-day moving average on the stock market today. Nvidia also fell. Warren Buffett bought VeriSign stock.

The main indexes sold off at the open and stayed lower through the close, putting the Santa Claus rally at risk.

Asian shares were mostly higher on Friday, with Japan’s benchmark registering strong gains for a second straight day. Oil prices and U.S. futures declined. Tokyo's Nikkei 225 index climbed 1.4% to 40,

U.S. stock indexes trimmed some of their stellar gains for the year. The S&P 500 slipped 0.4% Tuesday, though it’s still near its all-time high set earlier this month.

The “Magnificent Seven” group of high-performing tech stocks — Alphabet, Amazon, Apple, Meta, Microsoft, Nvidia and Tesla — has accounted for more than half of the gains so far this year as they benefit from intense investor focus on ways to play the artificial intelligence boom,