[THE INVESTOR] On Sept. 13 Geumhwa PSC (036190) increased 1.07% to 37,900 won (US$33.85). It had edged along with a similar price through the past month. Standard deviation, the risk index for stock price, was 1.1% on the same period of time over one month.

Compared with its close competitors within the same industry, KOSDAQ, as the monthly volatility of Geumhwa PSC was lowest, the earnings rate was also relatively lower than that of its peer group. Over the recent month, the return-on-risk, the return on investment with consideration about risk, was 0.1%. Though the volatility was the lowest among its peer group, the return-on-risk was low through a decline in investment returns. However, the return-on-risk is much better than the industrial mean, -8.3, and thus the industrial comparison performance was positive.