Cambricon [SHA: 688256] plunged 6% as of 9.55 a.m. today, after yesterday forecasting annual revenue of CNY5 billion to CNY7 billion (USD699 million and USD978 million) this year. The stock has more than doubled this month and became the most expensive one in the Chinese mainland on Aug. 27. The Chinese chip startup has no plans to release new products this year, it added.