SMIC, a key player in China's ambitions to boost its semiconductor industry, saw its shares surge 245% at the open in Shanghai debut after raising $6.62B (Arjun Kharpal/CNBC)

Arjun Kharpal / CNBC:
SMIC, a key player in China's ambitions to boost its semiconductor industry, saw its shares surge 245% at the open in Shanghai debut after raising $6.62B  —  - SMIC, China's biggest chipmaker, saw its shares surge 245% at the open on its first day of trade in Shanghai.