Merck (MRK) shares rose over 2.5% in Wednesday trading after Daiwa upgraded the stock to outperform from neutral and raised its price target to $143 per share from $120.
Trading volume stood at about 5.4 million shares, compared with a daily average of about 10.2 million.
Price: $133.60, Change: $+3.18, Percent Change: +2.44%