本周立讯精密、中泰股份、安达科技等4只个股发布业绩预告，其中业绩大幅预增1只

Group 1 - The core point of the article highlights that four companies, including Luxshare Precision, Zhongtai Co., and Anda Technology, have released performance forecasts this week, with Zhongtai Co. predicting a significant net profit increase of 233.01% year-on-year [1]