Taipei: The Taiwan Stock Exchange's main index opened up 57.56 points at 45,890.18 Thursday on turnover of NT$8.40 billion (US$263.97 million). According to Focus Taiwan, this positive start indicates a robust trading session, reflecting investor confidence and market activity. The turnover, calculated in both local currency and US dollars, highlights the volume of trade executed at the beginning of the trading day. The opening figures suggest a favorable market sentiment, potentially influenced by various factors affecting local and international markets. Traders and analysts are expected to monitor the situation closely as the day progresses.