Taiwan's share prices closed lower on Monday with the weighted index falling 74.76 points, or 0.97 percent, to close at 7,615.89, according to news reaching here from Taipei. The local bourse fluctuated between 7,612.87 and 7,797.97 during the day's trading. Turnover totaled 63.85 billion new Taiwan dollars (about 2.18 billion U.S. dollars) during the trading session.