Svmuu News: The Taiwan Weighted Index closed up 1,126.01 points, or 2.5%, at 46,125.91 on Tuesday, June 30, marking a year-to-date gain of over 60%.Strong semiconductor and AI exports drove the stock market to an intraday record high of 48,218 points. Among individual stocks, TSMC. has risen 58% year-to-date, while MediaTek has surged approximately 200%.