President Donald Trump posted on his social media platform Truth Social that it was "a great time to buy.” Less than four hours after his post, Trump announced a 90-day pause on nearly all his tariffs.

The well-timed bets likely paid off handsomely. Now, some Democratic lawmakers are calling for investigations into whether Trump's policy reversal led to any market manipulation or insider trading. Betting on short-term market swings is common and the trades in question could easily have been placed without any prior knowledge of the coming news as traders speculate on a market bounce or hedge against one every day.

U.S. stocks are giving back some of their historic gains from the day before as Wall Street weighs a global trade war that has cooled in temperature but is still threatening the economy

In the minutes before President Donald Trump's social media post on Wednesday pausing tariffs sent the U.S. stock market rallying, some unidentified options traders placed bets worth millions of dollars that the market would rebound,

Wall Street’s latest moves came after Trump’s latest round of tariffs kicked in after midnight for imports from around the world.