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 Taiex Index fell 0.4 percent to 7,884.08.
Memory chip companies: Powerchip Technology Corp. (5346 TT) surged 6.8 percent to NT$1.26, the most since Nov. 16. Nanya Technology Corp. (2408 TT) jumped 7 percent to NT$3.83, the biggest advance since Aug. 24. Inotera Memories Inc. (3474 TT), a venture between Micron Technology Inc. and Nanya, climbed 6.9 percent to NT$6.64, the highest close since Sept. 30.
Micron Technology President Mark Adams said prices of computer memory have probably hit their lowest after a slump that caused losses at three of the four largest companies in the industry.
E Ink Holdings Inc. (8069 TT) slumped 6.2 percent to NT$40.30, the biggest loss since Jan. 9. The supplier to Amazon.com Inc. was cut to “sell” from “neutral” at Goldman Sachs Group Inc. The share-price estimate was also lowered 40 percent to NT$36 at JPMorgan Chase & Co.
Hon Hai Precision Industry Co. (2317 TT), a unit of Foxconn Technology Group, declined 1.5 percent to NT$101. Apple Inc. said the Fair Labor Association started audits of supplier Foxconn Technology Group’s factories in China, the first inspections of a larger effort to respond to criticism of conditions of workers making its gadgets.