Taiwan's share prices extended losses on panic selling Thursday, with the market's key barometer falling 117.42 points, or 1.52 percent, to close at 7,579.48, according to news reaching here from Taipei. The local bourse opened at 7,696.27 and fluctuated between 7,562.03 and 7,702.11. The market turnover totaled 116.1 billion new Taiwan dollars (about 3.65 billion U.S. dollars). 