President Trump on Wednesday said Democratic presidential candidate Michael Bloomberg is “wasting his money” by pouring hundreds of millions of dollars into ads targeting the president.

Trump downplayed the political impact of the spending spree in an interview with Fox Business Network, though he has swiped at Bloomberg repeatedly in recent weeks in an indication the former New York City mayor has held his attention.

“Right now, it doesn’t have any impact. He’s wasting his money,” Trump said Wednesday from Davos, Switzerland. “He’s not going to win because he can’t. He’s a terrible speaker. He can’t speak properly, and he’s not a charismatic guy.”

Trump quipped that Bloomberg is “making a lot of my broadcaster friends wealthy.”

Read more at The Hill.