Stocks fell broadly on Friday as Wall Street closed out a holiday-shortened week on a down note. The losses were made worse by sharp declines for the Big Tech stocks known as the “Magnificent 7”, which can heavily influence the direction of the market because of their large size.

Wall Street's main indexes closed largely unchanged on Thursday, amid light trading the day after the Christmas break, as rising U.S. Treasury yields weighed on some of the dominant technology megacaps.

Technology stocks were the biggest weight on the market Friday. Semiconductor giant Nvidia slumped 2.7%. Its enormous valuation gives it an outsize influence on indexes. Other Big

Stocks are opening lower in what should be another day of quiet trading on Wall Street. The S&P 500 is down 0.6% and the the Dow Jones Industrial Average is lower by 209 points, or 0.5%. The Nasdaq composite is down 0.