Jamie Dimon, Chairman and CEO of JPMorgan Chase & Co., speaks at the Economic Club of Washington September 12, 2016. Photo: Win McNamee via Getty Images

JP Morgan Chase CEO Jamie Dimon said that President Trump's advisers were wrong when they said there would be no retaliation to his tariffs, and that it's "possible" a trade war could undo gains in the economy, according to an interview with CNNMoney.

Why it matters: Dimon is Wall Street's longest serving CEO and the chairman of the influential Business Roundtable. He agreed that the president has raised legitimate issues when it comes to China's unfair trade practices, but questioned Trump's tactics and the uncertainty of what the U.S. will do next.

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Updated 12 mins ago - Politics & Policy

Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Politics: Pence chief of staff Marc Short tests positive for coronavirus — COVID-19 looms over White House Halloween celebrations
  2. Health: Fauci says maybe we should mandate masks if people don't wear them — America was sick well before it ever got COVID-19
  3. World: Polish President Andrzej Duda tests positive for COVID-19.

Pence chief of staff Marc Short tests positive for coronavirus

Marc Short with Katie Miller, Vice President Pence's communications director, in March. Photo: Doug Mills/The New York Times via Reuters

Marc Short, Vice President Mike Pence’s chief of staff, tested positive for the coronavirus Saturday and is quarantining, according to a White House statement.

Why it matters: Short is Pence's closest aide, and was one of the most powerful forces on the White House coronavirus task force.

6 hours ago - World

Opposition leader Leopoldo López flees Venezuela

Venezuelan opposition politician Leopoldo López outside the Spanish embassy in Caracas, in 2019. Photo: Juan Barreto/AFP via Getty Images

Leopoldo López, a former political prisoner and prominent Venezuelan opposition leader, has left the country, his Popular Will party confirmed in a statement Saturday.

Why it matters: He's been an influential force in the push to oust President Nicolás Maduro's regime and a mentor to opposition leader Juan Guaidó. He'd been in the Spanish ambassador's Caracas residence since escaping house arrest in April 2019 following a failed military uprising.