China's biggest chipmaker SMIC, a key player in the country's semiconductor ambitions, kicked off a $6.6B share sale on Tuesday in Shanghai (Arjun Kharpal/CNBC)

Arjun Kharpal / CNBC:
China's biggest chipmaker SMIC, a key player in the country's semiconductor ambitions, kicked off a $6.6B share sale on Tuesday in Shanghai  —  - SMIC, China's biggest chipmaker, kicked off a major 46.28 billion yuan ($6.6 billion) share sale on Tuesday.  — The contract semiconductor manufacturer …