Taipei: The Taiwan Stock Exchange's main index opened up 1,677.11 points at 41,610.41 Friday on turnover of NT$33.45 billion (US$1.03 billion).According to Focus Taiwan, this significant increase in the index showcases a robust start to the trading day, indicating strong market activity and investor confidence. The turnover of NT$33.45 billion reflects the substantial trading volume and financial transactions taking place on the exchange. This development is being closely monitored by market analysts and investors alike.