Foolish investor tips on the future risks of US stocks

Trump's global tariffs have increased costs for some domestic manufacturers and had a negative impact on the productivity, employment, sales, and profits of affected companies. If corporate profits collectively weaken in the stock market at historical highs in 2026, it could have disastrous consequences. Artificial intelligence could add over $15 trillion to the global economy. Currently, companies have not optimized AI technology and have not seen positive returns from AI investments, which historical precedents suggest could lead to another bubble. The lack of transparency and consistency in the Federal Reserve increases the possibility of a stock market crash or bear market in 2026.