Genius Electronic Optical leads gainers as the Taiex falls 2 per cent

Genius Electronic Optical rose 6.9 per cent over the past week as the Taiex fell 2 per cent. Computer and server maker Wistron added 4.1 per cent, while electronic components maker Fositek gained 3.8 per cent.

Taiflex Scientific dropped 15 per cent over the week. Energy group Formosa Petrochemical shed 13 per cent over the same period, and machinery maker Ta Liang Technology fell 12 per cent.

Plastics fell by an average of 6.4 per cent across three companies, while biotechnology and medical care dropped 5.3 per cent. Optoelectronics averaged a 0.3 per cent decline across four companies, followed by finance and insurance with a 0.5 per cent fall across 19 companies.

The Taiex closed at 46,041 with prices to 22 October, after falling 1.8 per cent in the latest session. The index is down 2.4 per cent over the past month and up 59 per cent year to date.