Elon Musk’s SpaceX Valued at $800 Billion, as It Prepares to Go Public

A sale of insider shares at $421 a share would make Mr. Musk’s rocket company the most valuable private company in the world, as it readies for a possible initial public offering next year. Read more
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F.D.A. Approves Two New Drugs to Treat Gonorrhea

The sexually transmitted disease has become increasingly resistant to existing antibiotics. Read more
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Arthur L. Carter, 93, Dies; Investment Banker Founded a Cheeky Newspaper

After making a fortune on Wall Street, he bought The Nation magazine and founded The New York Observer, which one writer called a “maypole of Manhattan gossip and intrigue.” Read more
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