Pampa Energia (PAM) shares were up about 3.6% in recent Monday trading after Citigroup upgraded the energy company to buy from neutral and raised its price target to $113 from $92.
The company's trading volume for the day stood at about 607,000 shares against a daily average of roughly 416,000 shares.
Price: 89.06, Change: +3.26, Percent Change: +3.80