Singapore’s Straits Times Index was little changed at 3,143.83 as of the 12:30 p.m. trading break. Three stocks dropped for every two that rose in the benchmark equity index of 30 companies.

Shares on the measure trade at an average 15.3 times estimated earnings, compared with about 17.4 times at the beginning of the year, according to data compiled by Bloomberg. The following shares were among the most active in the market. 

Amtek Engineering (AMTK SP), a supplier of precision components to companies such as Sony Corp., tumbled 22% to $1.02 on its first trading day. The company offered as many as 230 million shares at $1.30 each, including an over- allotment option, in its initial share sale. The public offering was 1.4 times subscribed.

 

Chuan Hup Holdings (CH SP), a Singapore-based marine transport company, surged 7% to 23 Singapore cents. The company said it agreed to sell its entire 23.2% stake in Scomi Marine, a Malaysia-based marine transport company, for 91.8 million ringgit ($38.3 million). The 170 million Scomi Marine shares will be sold to The Asian Entrepreneur Legacy One LP and Petroworld Investments Inc.

 

C&O Pharmaceutical Technology Holdings (COPT SP), a China-based drugmaker, climbed 3.1% to 50 cents. The company said Sumitomo Corp., a Japanese trading house, agreed to aquire 29% of the company for $96.2 million, or 50 cents a share.

Osim International (OSIM SP), Asia’s biggest maker of massage chairs outside of Japan, rose 1.4% to $1.46. IIFL Securities, a unit of Indian brokerage India Infoline, initiated coverage of the stock with a “buy” rating and share-price estimate of $1.80.

 

Singapore Exchange (SGX SP), operator of the city’s securities and derivatives exchange, fell 0.7% to $8.56. Daiwa Securities Group Inc. lowered its share-price forecast to $9.76 from $10.60 and maintained its “outperform” rating.