Taiwan Stocks: AU Optronics, China Petroleum, Hon Hai Precision

April 11 (Bloomberg) -- 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 rose 0.2 percent to 7,656.67.

AU Optronics Corp. (2409 TT) dropped 1 percent to NT$14.55. The flat-panel maker’s first-quarter consolidated revenue was NT$81.1 billion ($2.75 billion), compared with NT$93.2 billion a year earlier, according to a statement to the Taiwan Stock Exchange.

China Petrochemical Development Corp. (1314 TT), a chemical producer, jumped 6.9 percent to NT$33.5, the biggest gain since Jan. 5. The board approved plans to pay a cash dividend of NT$1.75 a share for 2011 and a stock dividend of 17.5 percent, it said in statements to the Taiwan stock exchange yesterday.

Hon Hai Precision Industry Co. (2317 TT) gained 3.2 percent to NT$113.50. Sales at the world’s largest electronics maker rose 30 percent in March from a year earlier, according to an exchange filing.

Sino-American Silicon Products Inc. (5483 TT) surged 6.9 percent to NT$52.70, the steepest gain since Jan. 30. The provider of silicon used in solar cells reported March sales at NT$398 million, compared with NT$369 million in February, according to exchange filings.

To contact the reporter on this story: Weiyi Lim in Singapore at wlim26@bloomberg.net

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