US stock market today: Wall Street advances as Dow, S&P 500, Nasdaq gain on Nvidia, Oracle strength

S&P 500 rose 0.4% in early trading Monday, signaling cautious optimism among investors heading into year-end. The added about 107 points, while the climbed roughly 0.6%. Trading volumes remained lighter than usual as Wall Street adjusted to a shortened Christmas week, but buying interest returned to large-cap technology and artificial intelligence-linked stocks. Markets are coming off a mixed prior week. A late surge in tech helped the S&P 500 and Nasdaq post their third weekly gains in four. The Dow, howev ...