Billionaire investor Bill Ackman urged foreign leaders to immediately reach out to President Trump amid the financial fallout from his new tariffs, according to his post on X. Ackman emphasized Trump’s dealmaking skills, describing him as a tough but fair negotiator. Ackman stressed that Trump views the world as a series of transactions and suggested that countries should take the opportunity to engage directly to avoid further economic damage. His comments come as stocks plummeted, contributing to the market's worst sell-off since the pandemic. Ackman warned that nations imposing retaliatory tariffs would face severe consequences, advising them to strike a deal with Trump.