Stock market breadth declined as the final trading hour began, but key tech and telecom stocks remained strong. The S&P 500 saw a 0.3% increase, with only half of its stocks rising. The Nasdaq Composite rose by 0.5%, while the Dow was up by 88 points or 0.2%.

Read more at Barron’s: Stock Market Breadth Just Fell Off a Cliff. Telecom and Chip Stocks Lift the Nasdaq.