US close: Nasdaq breaks above 20,000 on AI optimism
At the close, the Dow Jones Industrial Average was up 0.30% at 44,156.73, while the S&P 500 advanced 0.61% to 6,086.37, and the Nasdaq Composite came out the gate 1.28% firmer at 20,009.34. The Dow closed 130.92 points higher on Wednesday, extending …