Bank of America’s May Global Fund Manager Survey landed this week with a finding that should give every semiconductor bull pause. A record 73% of professional investors now call “long global semiconductors” the most crowded trade on the planet, up from 24% in April, the steepest one-month jump on record in the survey’s history of tracked positioning. Nvidia Corp. (NASDAQ:NVDA), Advanced Micro Devices Inc. (NASDAQ:AMD), Micron Technology (NASDAQ:MU) and Intel Corp. (NASDAQ:INTC) anchor that crowd