Taiwan's share prices closed lower Wednesday, with the weighted index, the market's key barometer, falling 28.07 points, or 0.34 percent, to close at 8,220.93. The local bourse opened at the day's high of 8,309.19 and experienced a low of 8,191.44. A total of 5.01 billion shares changed hands on market turnover of NT$140.99 billion (US$4.42 billion). All eight major stock categories lost ground, with banking and financial shares dropping the most at 1.6 percent. Cement issues fell 1.5 percent, construction stocks plummeted 1.3 percent and textile issues lost 1.1 percent. Paper and pulp shares lost 0.8 percent, electronics and machinery issues and plastics and chemicals each moved down 0.2 percent, and foodstuff shares slid 0.1 percent. Losers outnumbered gainers 2,151 to 984, with 235 stocks remaining unchanged. Foreign institutional investors and China qualified domestic institutional investors were buyers of NT$250 million-worth of shares. 