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Data: Money.net; Chart: Naema Ahmed/Axios

Two of the most important companies on the energy beat are having very different weeks.

The big picture: Tesla's shares went bananas again Tuesday, spending much of the day well above $900 before falling at the trading close and continuing its fall early Wednesday. Meanwhile, Exxon's stock has been on a downward trajectory all year that picked up speed with Friday's disappointing earnings report — eventually reaching a decade-low.

  • Tesla's market valuation is now $160 billion, despite being barely profitable.
  • While the volatile electric automaker has emerged from near crises in recent years and turned a profit the last two quarters, it's hard to say why its stock has basically doubled in price in 2020 and shot up so fast the last few days.
  • "No amount of product announcements, analyst upgrades or bullish investor predictions can satisfactorily explain this sort of meteoric rise. Nor the plummet into market close," Axios' Dan Primack wrote yesterday.

The other side: One reason why Exxon's declines continued this week, per multiple reports, seems to be a gloomy Goldman Sachs assessment.

  • It "downgraded the stock to a sell rating Monday, saying 'more compelling returns opportunities exist both among the global majors and global large cap stocks outside of energy,'" CNBC reports.

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Updated 21 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.

7 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 highly influential 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.