Trump’s new tariffs will make equity markets ‘suffer,’ economist says, with the ‘downside risk of retaliatory tariffs around the globe’

President Trump announced a complex package of tariffs on Wednesday including a broad 10% duty on all imports and a sliding scale of "discount reciprocal tariffs" the President said would be “kind” to other countries while bringing relatively greater wealth to the U.S. Those include a 34% tariff on goods from China and 20% on those from the EU, plus a raft of other percentages for Vietnam, Taiwan, Japan, India, and Indonesia.

Details about how the tariffs will be applied and exempted goods are still being sorted, experts told Fortune , such as whether country-specific tariffs will be layered on top of current tariffs, or on top of the 10% baseline. Trump held up a poster board with a list of tariffs for countries around the globe during his address, but the actual details will be important to weigh carefully, said Jake Schurmeier, portfolio manager at Harbor Capital.

“Maybe there’s marginally less uncertainty, but uncertainty is still high,” Schurmeier told Fortune . “If you’re a consumer or a business it makes total sense to hold off on large purchases or other investments for another quarter or two quarters.” That knock-on effect could lead to negative growth territory pretty quickly, he added.

For consumers, they will "feel the pinch quite quickly," Michael Orlando, executive director in the J.P. Morgan Center for Commodities and Energy Management at the University of Colorado, told Fortune .

"Retailers price goods for purposes of inventory replacement," said Orlando. "So even if many goods on shelves were acquired pre-tariff, stores will need revenues now to cover the costs of those replacement goods.  If the tariffs are not delayed or talked back, they’ll result in price increases as soon as they hit suppliers."

In the meantime, Orlando expects equity markets "to suffer," as they've been suffering "on tariff talk for over two months."

"Markets will open tomorrow with greater certainty that tariffs will remain on the table; and with the downside risk of retaliatory tariffs around the globe," he said. "And because this round of tariff talk is distinctive in targeting longstanding trading partners and allies, I think the downside risk is significant, at least until the next delay is announced."

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