Taiwan Stocks: Power Mate Technology, Rexchip Electronics, Via

Shares of the following companies had unusual moves in Taiwan trading. Stock symbols are in parentheses and prices are as of the close in Taipei. The benchmark Taiex Index fell 3 percent to 6,894.66, the biggest drop since Nov. 10.

Power Mate Technology Co. (8109) (8109 TT), a maker of direct current converters, dropped 5.6 percent to NT$33.80, the lowest close since July 1, 2010. Sales in May sank 3.9 percent to NT$65.93 million ($2.2 million) from a year earlier, according to a Taiwan Stock Exchange statement.

Rexchip Electronics Co. (4932) (4932 TT), a chipmaker, declined 3.2 percent to NT$8.62, the lowest close since March 28. May sales slumped 19 percent to NT$2.68 billion from a year earlier, according to a statement to the exchange.

Via Technologies Inc. (2388) (2388 TT), a chipmaker, retreated 5.7 percent to NT$15.65, the biggest loss since March 29. Sales last month dropped 16.3 percent to NT$300 million from a year earlier, according to a statement filed to the Taiwan Stock Exchange.

To contact the reporter on this story: Ee Chien Chua in Singapore at echua27@bloomberg.net

To contact the editor responsible for this story: Darren Boey at dboey@bloomberg.net

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