Taipei: Taiwan shares ended down 642.57 points, or 1.42 percent, at 44,737.95 Tuesday on turnover of NT$1.18 trillion (US$36.63 billion).According to Focus Taiwan, the decrease in the stock market reflects ongoing market trends and investor sentiments affecting the region.The significant decline was observed across various sectors, contributing to the overall downturn. The turnover, recorded at NT$1.18 trillion, indicates active trading despite the negative performance. This movement in the market comes amidst a backdrop of global economic factors influencing investor behavior.Market analysts are closely monitoring the situation to assess potential future trends. The stock market's performance is considered a key indicator of economic conditions, and the recent decline has prompted discussions among investors and financial experts.