Taipei: The Taiwan Stock Exchange experienced a positive start as its main index opened up by 344.48 points, reaching 21,474.02. This surge was accompanied by a turnover of NT$12.187 billion, equivalent to US$401.9 million, indicating a robust trading session on Tuesday.According to Focus Taiwan, the substantial increase in the index suggests a strong investor confidence in the market dynamics. The opening figures reflect an upward trend, contributing to the overall performance and stability of the Taiwan Stock Exchange.