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Tech trio could help market Friday

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Pro owns Alphabet, Amazon and Microsoft

A trio of tech titans could help juice the market Friday, after positive earnings news from all three drove their stocks sharply higher.

Alphabet, parent of Google, reported better-than-expected profits for the third quarter and announced a buyback. Its stock surged more than 9 percent in after-hours trading. Amazon.com reported a surprise profit on stronger sales, and its stock jumped 11 percent. Microsoft also rallied more than 7 percent after reporting a surprise bump in profits and revenues.

Stocks rallied Thursday, closing with sharp gains on positive earnings news and the expectation that more easing will come from the European Central Bank. McDonald's, Caterpillar and 3M were all higher after earnings. The Dow closed up 320 points at 17,489, and the S&P 500 jumped 33 to 2,052.