Eye care firm surges 430% in first week

Hong Kong-based C-Mer aiming for growth by opening more new hospitals

C-Mer Eye Care Holdings Ltd surged 58.27 percent, or 5.67 points, to finish at HK$15.4 ($1.97) on Thursday, as the Hong Kong medical services company announced plans to step up investment on the Chinese mainland.

The gain represented a 430 percent jump from its initial public offering price when it was listed on Hong Kong's stock market on Monday.