NEW YORK (AP) — More sell-offs for computer chip companies and other winners of the artificial-intelligence technology boom are yanking stock markets lower. Oil prices, meanwhile, continue to climb Friday because of continuing fighting in the war with Iran. The S&P 500 fell 1.2% and was on track to close out its first losing week in the last three. The Dow Jones Industrial Average fell 494 points, and the Nasdaq composite lost 1.8%. Applied Materials helped lead the market lower after sinking 5%. Netflix dropped 11.8% after forecasting revenue growth that fell short of Wall Street’s expectations. The price of Brent crude rose 2.9%.