Bank of America has issued a warning that current market optimism surrounding artificial intelligence may be overblown. The bank suggests that global corporate earnings expectations have surpassed macroeconomic fundamentals, with markets betting on AI to transform the global labor market and enhance corporate profit margins, akin to the impact of China's WTO accession. Despite this optimism, Bank of America highlights several risks, including demand fluctuations, cost pressures, and policy challenges, that could affect the anticipated AI-driven economic transformation.