SummaryCompaniesTSMC forecasts Q3 revenue to rise to $22.4-$23.2 blnQ2 net profit T$247.8 bln (market expectation T$238.8 bln)Q2 revenue rises 33% year-on-year to $20.8 blnShares close down 2.4%TAIPEI, July 18 (Reuters) - Taiwan's TSMC (2330.TW), opens new tab, the world's largest contract chipmaker, raised its full-year revenue forecast on Thursday given surging demand for chips used in artificial intelligence, and rejected the idea of a joint venture factory in the United States.Taiwan Semicon...