AMC Entertainment Holdings capped its best trading session in four months, pushed higher by eager retail investors who celebrated vaulting the company’s market value to a record $13 billion on social media. On the broader market, equities headed toward their fourth straight monthly rally as prospects for an economic rebound tempered inflation worries. Here is your markets wrap. —David E. Rovella

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Here are today’s top stories  

The U.S. telecommunications industry has long opposed the concept of municipal broadband. But with Joe Biden now in the White House, the idea is gaining momentum, Bloombeerg Businessweek reports.

Kim Jung-ju, the billionaire behind Nexon, is having a turbulent month. Shares of the Tokyo-listed gaming company have plunged 21% since it forecast a decline in profit earlier this month. The announcement suggested its strong lockdown performance won’t survive people leaving the house as part of a global reopening.

The global shortage of semiconductors is getting worse, but General Motors seems to have found a way around the crisis and certainly better than its biggest rivals. 

Vaccines from China’s Sinopharm successfully contained Covid-19, according to a study published in a prestigious U.S. medical journal, the first time detailed findings from a late-stage trial of a Chinese shot have appeared in scientific literature. Here is the latest on the pandemic.

Zimbabwean President Emmerson Mnangagwa unveiled penalties for companies and individuals who engage in what the government describes as profiteering from the sale of hard currency it makes available at auctions.

Elon Musk’s proposed mission to Mars could be the riskiest human endeavor yet. More than half a century after Neil Armstrong stepped foot on the moon, the next space race is heating up. But this time, said Musk, “a bunch of people probably will die at the beginning.” 

Pour out that last bottle of kombucha. Bloomberg Pursuits has chased down a burgeoning crop of sodas that are, you guessed it, good for you.

What you’ll need to know tomorrow 

• The mysterious rise of Covid-19 infections in The Seychelles.
• The Big Take: Was Cathie Wood’s bleak spring just a blip?
• America is streaming more, and your bill is skyrocketing.
• Republican Paul Ryan urges GOP to dump “outrage peddlers.”
• Farmers see “regenerative” eggs as the next lucrative big thing.
• Black business owners turned to fintech to get U.S. pandemic aid.
• Bloomberg CityLab: U.S. infrastructure is failing. Here’s how to fix it.

Coastal Water ‘Dead Zones’ Are Multiplying

They call them “dead zones.” Agriculture and untreated urban waste have been fouling coastal waters much longer than anyone’s living memory. Only now, the destruction has become turbocharged, and the ecological and economic damage catastrophic. Some scientists say that, short of a massive rethinking of how humans grow food or dispose of their detritus, radical solutions are needed. One of them involves massive underwater farms of seaweed that have already been proven to work.

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