A 71,000% Profit Surge Is Taking Longsys to Hong Kong Investors

Shenzhen Longsys Electronics, a Chinese semiconductor company, is seeking up to HK$6.28 billion, or about $800 million, from a Hong Kong share sale. The company set out the terms in a listing document on Monday. The memory chipmaker already trades in Shenzhen. Its Hong Kong offer price sits well below where the mainland stock trades.