Taipei: The Taiwan Stock Exchange's main index opened up 791.86 points at 33,620.74 Thursday on turnover of NT$19.18 billion (US$605.47 million). According to Focus Taiwan, the increase in points reflects a positive start for the market, indicating investor confidence and robust trading activity. The turnover reached NT$19.18 billion, equivalent to US$605.47 million, showcasing the active participation of market players.