The tech billionaire has warned of a massive meltdown in the country’s real estate sector The US commercial real estate sector is under intense pressure, which is soon likely to spread to the residential property market, billionaire Tesla, SpaceX and Twitter owner Elon Musk said on Monday.

Two motorcyclists were injured when self-driving Zoox vehicles unexpectedly braked in front of them The US government is investigating Amazon’s Zoox autonomous taxi technology after two of its vehicles braked suddenly and were rear-ended by motorcyclists. The company is already under investigation for potentially skirting federal safety rules.

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