Stock Market Today: Dow, S&P 500 Score Records Amid Santa Claus Rally Hopes; AI Stock Jumps (Live Coverage)

Group 1 - The Dow Jones Industrial Average and other major stock indexes showed little change as Wall Street awaited initial jobless claims data [5] - Nvidia was highlighted as an early mover in the stock market following a bullish move on Tuesday [5] - The S&P 500 set a record close, driven by bullish movements from Nvidia and Google, despite narrow market breadth [6] Group 2 - There is a concern regarding six AI S&P 500 stocks that are accumulating significant debt, described as a "silent time bomb" [7] - The interest in quantum computing stocks has surged in 2025, raising questions about the sustainability of this trend [7] - Nvidia's stock is under scrutiny as it approaches a key level amid news related to China chip shipments [10]