Bitcoin rocketed past $15,000 Thursday. Photo: Rick Bowmer / AP

Bitcoin rocketed past the $19,000 mark Thursday morning, before falling sharply to $15,000 around where it stayed for most of the afternoon. The surge continues what's been a remarkable week for the digital currency, which broke $13,000 Wednesday. Bitcoin now has a market value of more than $270 billion, per CNBC, meaning it would rank among the 20 largest stocks in the S&P 500.

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Data: CoinDesk; Chart: Axios Visuals

Why it matters: Bitcoin, which began the year below $1,000, has had a wild streak in recent weeks, leading Wall Street to jump into the ring on Friday. And while some currency experts warn that the Bitcoin's recent price surge has created a bubble, others argue its success is due to delayed recognition by the broader financial community that cryptocurrencies are becoming mainstream.

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Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Global: Total confirmed cases as of 2 p.m. ET: 12,573,041 — Total deaths: 561,865 — Total recoveries — 6,915,740Map.
  2. U.S.: Total confirmed cases as of 2 p.m. ET: 3,213,902 — Total deaths: 134,420 — Total recoveries: 983,185 — Total tested: 38,919,421Map.
  3. Public health: Jimmy and Rosalynn Carter: "Please wear a mask to save lives" Fauci hasn't briefed Trump on the coronavirus pandemic in at least two months — We're losing the war on the coronavirus.
  4. Food: How the coronavirus pandemic boosted alternative meat.
  5. Sports: Charge of "money grab" by college football.
  6. World: India reimposes lockdowns as coronavirus cases soar.
  7. 🎧 Podcast: Rural America has its own coronavirus problem.

Scoop: Don Jr. plans convention-week Biden book

Cover via Don Jr.

Donald Trump Jr., in quarantine since girlfriend Kimberly Guilfoyle tested positive for the coronavirus, says he's used the time to finish a book that he'll self-publish the week of the Republican convention, at the end of August.

What he's saying: Don Jr., whose controversial blasts connect with President Trump's base, told me in a phone interview that "Liberal Privilege" will be his effort to paint a picture of Joe Biden and his record that the press ignores.

Romney calls Stone commutation "historic corruption"

Sen. Mitt Romney. Photo: Tom Williams/CQ-Roll Call, Inc via Getty Images

Sen. Mitt Romney (R-Utah) on Saturday tweeted a scathing response to President Trump's Friday night commutation of former associate Roger Stone's prison sentence, calling the move "[u]nprecedented, historic corruption."

Why it matters: Romney has emerged as the party's most prominent Trump critic. He sent shockwaves through Washington after announcing he would vote to convict Trump in the impeachment trial — becoming the only Senate Republican to break ranks and vote for the president's removal from office. Now he is the first major GOP lawmaker to condemn Trump's Friday night call regarding Stone.