Taiwan's share prices closed slightly higher Tuesday, with the weighted index, the market's key barometer, increasing 3.55 points, or 0.04 percent, to close at 8,211.40. The local bourse opened at 8,277.71 and traded between 8,283.64 and 8,162.54 during the session. A total of 6.52 billion shares changed hands on market turnover of NT$188.34 billion (US$5.91 billion). Four of the eight major stock categories gained ground, with cement shares gaining the most at 2.1 percent, followed by construction at 1.5 percent, plastics and chemicals at 1.3 percent, and banking and financial at 0.3 percent. Three others lost ground, with paper and pulp shares shedding the most of 1.3 percent, followed by foodstuff at 0.6 percent and machinery and electronics at 0.4 percent. Textile stocks remained unchanged. Losers outnumbered gainers 1,989 to 1,216 with 227 remaining unchanged. Foreign institutional investors were net buyers of NT$12.11 billion in shares. 