Dave Portnoy estimates he’s lost $20 million after the Trump tariff-fueled stock market ‘bloodbath’ 

As President Donald Trump's tariffs roil global markets, some of the thought leaders and influential podcasters who backed the Republican's campaign are voicing doubts.

Barstool Sports owner Dave Portnoy, hedge fund manager Bill Ackman and even Elon Musk are adding their voices to a number of congressional Republicans who have weighed in against the tariffs set to take effect on Wednesday.

Here's a look at some of what they've said:

Dave Portnoy

“Welcome...