Big investors say tech stocks are in demand like never before — and Bank of America is recommending these 3 trades for the best protection against a collapse

· In Bank of America's most recent Global Fund Manager Survey, 74% of respondents — the most in the survey's history — said that being long on US tech stocks was the "most crowded trade."
· For protection against a collapse — or for those interested in betting against current market trends — Bank of America's Michael...