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Data: Investing.com; Chart: Axios Visuals

Crude oil also was hit hard by the tariff news, with oil prices suffering their worst trading day in 4 years, falling by 8%.

Between the lines: The tariff announcement could not have come at a worse time for the oil market, which was already primed for losses after the Fed's rate cut decision Wednesday. A weak dollar strengthens oil prices, which are measured in dollars.

  • The market also is preparing for a major supply surplus in 2020, which is the result of tepid demand growth at a time of surging supply.

By the numbers:

  • WTI crude prices fell below $55 a barrel and Brent dipped to $61.
  • Energy stocks fell across the board with the SPDR energy exchange traded funds dropping more than 2% on the day as the trade war escalation and fear of higher tariffs stoked worries about slowing demand in China and around the globe.

Go deeper

Trump commutes Roger Stone's sentence

Roger Stone arriving at his sentencing hearing on Feb. 20. Photo: Drew Angerer/Getty Images

President Trump on Friday evening commuted the sentence of his longtime associate Roger Stone, according to two senior administration officials. Stone in February was sentenced to 40 months in prison for crimes including obstruction, witness tampering and making false statements to Congress.

Why it matters: The controversial move brings an abrupt end to the possibility of Stone spending time behind bars. He had been scheduled to report to prison on July 14.

Updated 10 hours ago - Health

Which states have set single-day coronavirus records this week

Data: COVID Tracking Project and state health department data compiled by Axios; Map: Danielle Alberti and Naema Ahmed/Axios

13 states this week surpassed records set just last week for their highest number of coronavirus infections in a single day, according to the COVID Tracking Project and state health department data. 16 states in total reported new highs.

The big picture: The United States' alarming rise in coronavirus cases isn't just due to increased testing — particularly where the number of cases has grown fastest over the last month, Axios' Andrew Witherspoon and Caitlin Owens report.

Updated 10 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Global: Total confirmed cases as of 6:30 p.m. ET: 12,389,660 — Total deaths: 557,279 — Total recoveries — 6,830,596Map.
  2. U.S.: Total confirmed cases as of 6:30 p.m. ET: 3,169,611 — Total deaths: 133,885 — Total recoveries: 983,185 — Total tested: 38,856,341Map.
  3. Public health: The reality of the coronavirus bites.
  4. Trade: Trump says he's no longer considering phase-two trade deal with China because the pandemic damaged the two countries' relationship.
  5. 🎧 Podcast: Rural America has its own coronavirus problem.