Taiwan's share prices closed slightly higher Friday, with the weighted index, the market's key barometer, increasing 9.05 points, or 0.11 percent, to close at 7,972.59. The local bourse opened at 8,007.50 and traded within a narrow range between 8,009 and 7,965.37 throughout the session. A total of 4.43 billion shares changed hands on market turnover of NT$115.6 billion (US$3.58 billion). Two of the eight major stock categories gained ground, with machinery and electronics stocks advancing 0.3 percent and banking and financial rising 0.1 percent. Five others lost ground with construction issues falling the most at 1.1 percent. Paper and pulp stocks lost 0.9 percent, textile issues fell 0.7 percent, foodstuff shares were down 0.3 percent, and plastics and chemicals shares shed 0.2 percent. Cement stocks remained unchanged. Losers outnumbered gainers 1,398 to 1,293 with 336 stocks remaining unchanged. Foreign institutional investors were net buyers of NT$3.89 billion in shares. 