Citigroup Upgrades Anthera Pharmaceuticals To Neutral

Citigroup upgraded

from Sell to Neutral. Anthera Pharmaceuticals shares have gained 65.31 percent over the past 52 weeks, while the S&P 500 index has surged 10.96 percent in the same period. Anthera Pharmaceuticals' shares rose 2.46 percent to $4.59 in pre-market trading.