Wall Street ends up on earnings, rebound in high-growth shares

By Caroline Valetkevitch NEW YORK (Reuters) - U.S. stocks rose on Tuesday, boosted by upbeat results from companies including Merck & Co and a rebound in Facebook and other high-growth shares. Merck & Co 's shares climbed 3.6 percent to $58.72, giving the S&P 500 its biggest lift, after it reported stronger-than-expected earnings. Britain's Reckitt Benckiser Group Plc confirmed talks to buy Merck's consumer health business, the latest asset up for grabs in a wave of recent pharmaceutical deals.

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