Merck & Co (MRK) shares rose more than 12% intraday, marking the stock's best intraday gain since 2009.
FirstSquawk08/19, 09:14 PM
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Jin1010/23, 12:41 AM
Jin1008/21, 09:26 PM
Merck (MRK) stock rose 3.7% intraday, breaking above Wednesday's record high.
Finnhub08/20, 08:06 PM