One of the most important ‘Magnificent Seven’ members is rumbling to life. Here’s what that means for tech and the S&P 500.

Nvidia shares have been on a late-year roll. - Woohae Cho/Getty Images Could a “Santa Claus rally” be stirring? The S&P 500 is hovering near fresh highs after Tuesday’s action saw it log the 38 th record close of the year. All three major indexes logged four straight winning sessions. Lending a hand on Tuesday were shares of Nvidia NVDA, which have been in comeback mode after struggling since late October amid investor concerns over an AI bubble and spending on that hot technology. Most Read from Marke ...