科创板收盘播报：科创50指数跌0.48% 电气设备股表现活跃

Core Points - The Sci-Tech Innovation 50 Index opened lower on January 19, fluctuated, and ultimately closed down slightly at 1506.86 points, with a decline of 0.48% and a trading range of 1.48% [1] - The overall Sci-Tech Innovation Index also fell by 0.21%, closing at 1851.07 points, with a total trading volume of approximately 296.6 billion yuan [1] - Among the 600 stocks in the Sci-Tech Innovation Board, there were more decliners than gainers, with high-priced stocks mostly declining and low-priced stocks showing mixed performance [1] Trading Performance - The average increase for the 600 stocks on the Sci-Tech Innovation Board was 0.09%, with an average turnover rate of 3.69%, and a total trading volume of 296.6 billion yuan [1] - The average volatility for the stocks was 4.72% [1] Individual Stock Performance - Okoyi reached the daily limit, showing the highest increase [2] - Silin Jie experienced a significant drop of 16.37%, marking the largest decline [2] Trading Volume - Haiguang Information had the highest trading volume at 10.42 billion yuan [3] - ST Pava recorded the lowest trading volume at 1.024 million yuan [3] Turnover Rate - Xigao Institute had the highest turnover rate at 21.14% [4] - Longteng Optoelectronics had the lowest turnover rate at 0.2% [4]