Taipei: The Taiwan Stock Exchange's main index experienced a robust start to the trading session, opening up by 290.31 points at 27,986.66. The market saw a turnover of NT$10.45 billion (US$331.64 million), indicating a positive investor sentiment.According to Focus Taiwan, the initial gains in the index reflect a favorable economic outlook and investor confidence in the local market. The significant turnover suggests active participation from traders, contributing to the upward trajectory of the stock exchange.