Getty Images; Jenny Chang-Rodriguez/BIAI investment potential remains high, akin to 1996 in the internet's rise, says Bank of America.Adoption is expected to accelerate, with early-stage use from 44% of S&P 500 firms that touted AI.Investors can explore AI through semiconductors, software, ETFs, or top-rated stocks.If you think it's too late to invest in AI because the industry is too rich, think again.