[THE INVESTOR] On Sept. 9, Namyang Dairy Products (003920) declined 1.99%, compared with yesterday, to 699,000 won (US$ 634.54). It had edged along with a similar price through the past month. Standard deviation, which indicates volatility of stock, records 1% on the same period over one month.

Compared with its close competitors within the same industry, KOSPI, Namyang Dairy Products was not only the most satisfactory in investment return among its peer group, but also the lowest in volatility. Over the recent month, the Return On Risk, the return on investment with consideration about risk, was 0.1%. The lowest volatility among its peer group leads the Return On Risk to its highest level. Moreover, compared with the KOSPI industry, the Return On Risk is much better than the industrial mean, -0.8, and thus the industrial comparison performance was good.