South Korean stocks are expected to be bullish next week on hopes of improved first-quarter corporate earnings, analysts said Saturday. The benchmark Korea Composite Stock Price Index (KOSPI) finished at 2,004.28 on Friday, up 0.34 percent, or 6.84 points, from a week earlier. The KOSPI broke the 2,000-mark for the first time in five sessions since April 10 when it hit 2,008.61.