China’s SigmaStar Technology is a world-leading maker of semiconductors for surveillance cameras. (Photo by Tomoko Wakasugi)

NORIYUKI DOI, Nikkei staff writer |

SHANGHAI — Chinese chipmaker SigmaStar Technology is expected to go public soon at an estimated market capitalization surpassing 30 billion yuan ($4.2 billion).

The initial public offering is slated for the startup-focused ChiNext market on the Shenzhen Stock Exchange. The China Securities Regulatory Commission approved SigmaStar’s IPO application on Wednesday.

Read More