Taiwan stocks fell 3.35 percent in their worst one-day percentage slide in almost two months on Thursday, joining global bourses in tumbling on fears over the growing debt crisis in the eurozone. Banks and tech exporters such as TSMC led the main TAIEX index down 253.18 points to close at 7,308.68, its biggest single-day percentage slump since the 3.55 percent drop on September 23.
TSMC, the world's top contract chip maker, lost 2 percent. It reported October sales minutes after market close.