Tariff-Fueled Plunge Has Traders Worried There’s More to Come

Bill Harnisch is no permabear. His hedge fund is up 580% since 2020 thanks to a honed portfolio of bets that this year alone has tripled the S&P 500's return.

But right now the Wall Street veteran is on edge — just like the market itself, judging by the nervous trading that closed out the week.