Taipei: The Taiwan Stock Exchange's main index experienced a significant increase at the opening on Tuesday, rising by 340.39 points to reach 33,062.89. This upward movement was observed amid a turnover of NT$9.516 billion, equivalent to US$294.887 million. According to Focus Taiwan, the strong opening suggests a positive investor sentiment and potential optimism in the market. The performance of the index indicates robust activity in the stock exchange, with significant trading volumes contributing to the market's gains.