Major drug firms expected to fare well in 2013

Sales of market leaders like Dong-A Pharmaceutical, Green Cross Corp., Yuhan Corp. and Hanmi Pharmaceutical are expected to increase an average of 7.9 percent this year, according to forecasts by securities firms.

Yuhan Corp. will see a 16 percent increase in revenue this year compared to last year. The company is collaborating with foreign companies to sell blockbuster drugs, such as Boehri...