The tech sector exerted downward pressure on stocks today, snapping the Nasdaq’s 12-day winning streak, the Wall Street Journal reports. Microsoft sank 8.9% after reporting a 29% drop in quarterly earnings, while Amazon fell 8.3% after also reporting a disappointing quarter. Alcoa, Pfizer, and Merck helped the Dow climb with modest advances. The Dow gained 23.95 points to close at 9,093.24. The Nasdaq lost 7.64, settling at 1,965.96, and the S&P 500 added 2.97, closing at 979.26.