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Bitcoin hit a record high of more than $69,000 on Tuesday, capping a remarkable comeback for the volatile cryptocurrency after its value plunged in 2022 amid a market meltdown.Bitcoin’s price has risen more than 300 percent since November 2022, a resurgence that few predicted when the price dropped below $20,000 that year. Its previous record was just under $68,790 in November 2021, as crypto markets boomed and amateur investors poured savings into experimental digital coins.The cryptocurrency was “pronounced dead for the 150th time,” said Cory Klippsten, the chief executive of Swan, a financial services firm focused on Bitcoin. “And Bitcoin…

It would be easy to dismiss Elon Musk’s lawsuit against OpenAI as a case of sour grapes.Mr. Musk sued OpenAI this week, accusing the company of breaching the terms of its founding agreement and violating its founding principles. In his telling, OpenAI was established as a nonprofit that would build powerful A.I. systems for the good of humanity and give its research away freely to the public. But Mr. Musk argues that OpenAI broke that promise by starting a for-profit subsidiary that took on billions of dollars in investments from Microsoft.An OpenAI spokeswoman declined to comment on the suit. In…

OpenAI, the influential artificial intelligence company that ousted and then reinstated its high-profile chief executive three months ago, faces a new drama: a lawsuit from Elon Musk, one of the richest men in the world and a co-founder of the A.I. lab.Mr. Musk sued OpenAI and its chief executive, Sam Altman, accusing them of breaching a contract by putting profits and commercial interests in developing artificial intelligence ahead of the public good. A multibillion-dollar partnership that OpenAI developed with Microsoft, Mr. Musk said, represented an abandonment of a founding pledge to carefully develop A.I. and make the technology publicly available.“OpenAI…