First-quarter sales portion of flagship products in increasing trend

In the first quarter of this year, the combined sales record of leading items of 21 pharmaceutical firms, which are listed in Korea Stock Exchange and KOSDAQ market, posted 134.3 billion won, up 11.7 percent compared with the same period of last year, according to data released by Yakup Shinmoon.

The figure was higher than average growth rates (9.3 percent) of companies closing their f...