Asyst Technologies (ASYT) was down 14% in midmorning after it posted fourth-quarter earnings late Wednesday of 5 cents a share, sharply lower than analysts' estimates of 25 cents and down from 34 cents in the year-ago period.

The company, which makes robotic equipment for the semiconductor industry, said it was experiencing a sharp drop in product demand and warned of a loss in the current quarter, vs. Street expectations of a 12-cent per-share profit.