Aug. 29 (Xinhua) -- NVIDIA (NVDA. O) posted a revenue forecast that fell short of the most optimistic market expectations, raising concerns that its explosive growth is waning. The company said Wednesday that revenue for its fiscal third quarter would reach about $32.50 billion. While analysts' average estimate was $31.90 billion, the highest estimate was $37.90 billion. The company also said it was working to address production hurdles for its highly anticipated next-generation Blackwell chip, ...