Renewable Energy Corp. ASA rose the most in a month in Oslo trading after the maker of solar-energy products was raised to "overweight" from "equal weight" at Morgan Stanley.
The stock climbed as much 1.06 kroner to 12.59 kroner and traded at 12.47 kroner, up 8.2 percent, as of 9:18 a.m. local time. The gain cut its loss in 2011 to 30 percent.