On Tuesday, the U.S. markets reached a milestone. The S&P 500 is on track to enter its longest-ever bull market, which began 3453 days ago on Mar. 9, 2009, when the index was at 666. It has since more than quadrupled, reaching a new 52-week high intraday of 2,873.
CNBC's Jim Cramer named the top 10 obstacles the market had to overcome in order to achieve this record. But with news of President Donald Trump's former lawyer pleading guilty to violating campaign finance law, "investors got a whole new reason to sell," said Cramer. "I can't tell you what will happen with this new set of worries."
Here are Cramer's top 10 worries that the bull market has overcome in the past: