- Trump is blaming Kamala Harris for Monday's stock market downturn.
- But he's previously sought to claim credit for a stock market rally under Biden.
- At the time, he claimed investors were anticipating that he would win the 2024 election.
As global stock markets were rocked by a steep sell-off Monday, former President Donald Trump is using the downtown as the latest line of attack against his new Democratic rival, Vice President Kamala Harris.