[THE INVESTOR] On Sept. 13 i-SENS (099190) edged up 0.16% to 31,100 won (US$27.79). It had declined 18.77% through the past month. Standard deviation, which indicates volatility of stock, records 1.6% on the same period over one month.

Compared with its close competitors within the same industry, KOSDAQ, even though the monthly volatility of i-SENS was the lowest, the earnings rate over one month was also the lowest with a decline of stock price. Over the recent month, the return-on-risk, the return on investment with consideration about risk, was -11.7%. Though the volatility was the lowest among its peer group, the return-on-risk was the lowest as tumbling of stock price. Moreover, compared with the KOSDAQ industry, the return-on-risk is below the industrial mean, -8.2, and thus the industrial comparison performance was not so good.