The Taiex Index (TWSE) fell 0.5 percent to 7,387.78, its first decline in five days.
Formosa Chemicals & Fibre Corp. (1326) (1326 TT), a unit of Formosa Plastics Group, lost 1.2 percent to NT$75.3. The company said it posted a second-quarter loss of NT$6.14 billion ($205.8 million). That compared with a profit of NT$4.8 billion forecast by analysts in a Bloomberg survey.
Formosa Petrochemical Corp. (6505) (6505 TT), Taiwan’s only listed oil refiner, slid 0.9 percent to NT$81. The company said it posted a second-quarter pretax loss of NT$15.6 billion. That compared with an average estimate for profit of NT$2.32 billion.
Formosa Plastics Corp. (1301) (1301 TT), Taiwan’s biggest maker of polyvinyl chloride, dropped 0.9 percent to NT$80.4. The company said it posted pretax net income of NT$270 million in the second quarter, trailing the average estimate by analysts of NT$5.55 billion.
Inotera Memories Inc. (3474) (3474 TT), a chip maker, sank 3.5 percent to NT$7.08. The company said June sales dropped 0.5 percent from a year earlier to NT$3.27 billion.
Nan Ya Plastics Corp. (1303) (1303 TT), a maker of chemical fiber products, dropped 0.5 percent to NT$55.5. The company said it posted a loss of NT$2.72 billion in the second quarter. That compared with the average estimate by analysts of a pretax profit of NT$4.09 billion.
Nanya Technology Corp. (2408) (2408 TT), a chip maker, gained 0.4 percent to NT$2.51. Chairman Wu Chia-Chau said the company’s second-quarter loss narrowed “significantly,” without giving further details.
--Zhang Shidong. Editor: Allen Wan
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