Out-of-control OpenAI agents hijacked a German site to make a secret message board

Good morning. On Fortune’s radar today:

• Out-of-control OpenAI models secretly used a German site as a message board.
• Oil defies Trump, hits $99 per barrel.
• Markets: A sea of red.
• Norway’s $2.2 trillion fund is falling out of love with U.S. Treasuries
• Our CO2 emissions are pushing us toward an ugly tipping point.
• Meet the big yellow boa constrictor that is the star of the Met’s latest opera.

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This story was originally featured on Fortune.com