Even as index futures suggest a cautious start on Wednesday, Nvidia Corp (NASDAQ:NVDA) and Super Micro Computer, Inc. (NASDAQ:SMCI) – two companies with significant exposure to artificial intelligence technology, advanced strongly in premarket trading on Wednesday. The premarket strength may be attributable to comments from Taiwanese contract manufacturerHon Hai Precision Industry Co. Ltd. (OTC:HNHPF), which is a supplier to big tech companies such as Nvidia and Apple, Inc. (NASDAQ:AAPL). The Taipei, Taiwan-based company reported record June quarter revenue, with AI server revenue rising by 60…