Illustration: Sarah Grillo/Axios

The dollar has fallen every day this week, notching a cumulative loss of around 1% since President Trump complained on Twitter about its strength and took aim at two countries with weak currencies.

Why it matters: The decline may continue, reducing the dollar's strength in 2020, experts say.

Driving the news: With U.S. businesses continuing to complain, Trump has made it clear the currency's strength is a major administration concern.

  • On Monday, he announced he would reimpose tariffs on steel and aluminum imports from Brazil and Argentina for "presiding over a massive devaluation of their currencies."
  • Trump's decision to target Argentina and Brazil, two countries whose economies have been hurt by weakening currencies and whose central banks have intervened to strengthen them, signals to strategists at Bank of America Merrill Lynch that a number of other countries could find themselves in his crosshairs.

Between the lines: "Trump has the ability to intervene in the FX market," Michelle Meyer, Bank of America Merrill Lynch's head of U.S. economics, tells Axios.

  • "The dollar size would be pretty small in terms of flows but it would be about sending a signal that he is willing to use that tool."

Yes, but: Currency intervention has been shown to be ineffective unless coordinated between central banks, notes Kathy Lien, managing director of FX Strategy at BK Asset Management.

  • "And that’s certainly not what you’re going to get this time around," she tells Axios.

Be smart: What could really move the needle is a ceasefire in the U.S.-China trade war or Trump holding off on instituting more tariffs on Chinese imports.

  • New tariffs have boosted the dollar in the past, Lien says, by prompting traders to sell out of so-called high-beta currencies like the Australian and New Zealand dollars and emerging market currencies, and buy more greenbacks in search of safety.

The dollar also could be weakened by outside factors, Lale Akoner, global market strategist at BNY Mellon, tells Axios.

  • She expects European economic data to improve, bolstering the euro, and for emerging market currencies to rise against the dollar.
  • The British pound has risen to its highest level since May against the dollar this week and could go higher if a Brexit deal is reached, analysts say.

The bottom line: With the U.S. economy poised to slow next year, "the economic differential between the U.S. and the rest of the world will decrease," Akoner says, which should lead to less appetite for the dollar.

Go deeper:

Go deeper

Updated 2 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Global: Total confirmed cases as of 11:30 a.m. ET: 11,304,534 — Total deaths: 531,659 — Total recoveries — 6,111,195Map.
  2. U.S.: Total confirmed cases as of 11:30 a.m. ET: 2,841,124 — Total deaths: 129,689 — Total recoveries: 894,325 — Total tested: 34,858,427Map.
  3. States: Photos of America's pandemic July 4 ICU beds in Arizona hot spot near capacity.
  4. Public health: U.S. coronavirus infections hit record highs for 3 straight days.
  5. Politics: Trump extends PPP application deadlineNew Jersey gov. wants national face mask requirement
  6. World: Mexican leaders call for tighter border control as infections rise in U.S.
  7. Sports: 31 MLB players test positive as workouts resume.
  8. 1 📽 thing: Drive-in movie theaters are making a comeback.
4 hours ago - Sports

Sports return stalked by coronavirus

Tampa Bay Rays left fielder Austin Meadows bumps elbows Friday during a workout at Tropicana Field. Photo: Kim Klement/USA Today Sports via Reuters

When MLB teams arrived at the ballpark this weekend for the first summer workouts of 2020, the comforting sounds of baseball brought smiles to players' faces.

Between the lines: Even the loudest crack of the bat couldn't mask the eerie silence or distract from the ever-present coronavirus threat.

4 hours ago - Health

239 scientists call on WHO to recognize coronavirus as airborne

People walk at the boardwalk in Venice Beach. Photo: Apu Gomes/AFP via Getty Images

A group of 239 scientists in 32 countries is calling for the World Health Organization to revise its recommendations to account for airborne transmission as a significant factor in how the coronavirus spreads, the New York Times reports.

The big picture: The WHO has said the virus mainly spreads via large respiratory droplets that fall to the ground once they've been discharged in coughs and sneezes. But the scientists say evidence shows the virus can spread from smaller particles that linger in air indoors.