OSAKA — Nasdaq Japan, Japan's version of the tech-heavy U.S. Nasdaq market, celebrated its launch Monday morning with three of its four startup issues closing above their initial public offering prices.

The four IPOs — computer systems provider Xnet Corp., computer software developer Digital Design Co., drugstore Sugi Pharmacy Co. and job agency Creek & River Co. — are among eight companies that debuted on the new bourse on its opening day.

Sugi Pharmacy Co. scored a maximum permissible single-day gain to close at 9,000 yen against its public offering price of 7,000 yen. Computer systems developer Xnet Corp. ended at 5.75 million yen against 5.5 million yen and Digital Design Co. was at a bid price of 2 million yen, against 1.5 million yen, after trading at the day's high of 1.8 million yen.