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 1 percent to 7,358.08, and rose 2 percent this week.
Asia Cement Corp. (1102 TT) dropped 3.4 percent to NT$34.30 after the cement maker was cut to “neutral” from “buy” at Sinopac Securities Corp.
Giga Solar Materials Corp. (3691 TT), the solar-energy component maker, lost 2.2 percent to NT$331 after it was cut to “neutral” from “outperform” at KGI Securities Co. by equity analyst Jennifer Liang.
Kinsus Interconnect Technology Corp. (3189 TT) sank 6.3 percent to NT$93.70, the most since Sept. 26, after BNP Paribas said the shares may fall to NT$90 amid the outlook for earnings.
MStar Semiconductor Inc. (3697 TT) jumped 6 percent to NT$178, the highest close since June 10, after Goldman Sachs Group Inc. said in a report the company’s fourth-quarter revenue may rise on market-share gains in handsets and set-top boxes. Goldman Sachs has a “buy” rating on the company and a share-price estimate of NT$210.