(Bloomberg) -- On the surface, Nvidia Corp.’s $900 billion selloff since its June record would suggest the artificial intelligence spending boom that propelled it there is cooling. But the undercurrents tell a far less dire story.Most Read from BloombergAfrica’s Richest City Needs $12 Billion to Fix InfrastructureNYC Subway Riders See ‘Exceptionally High’ Air PollutionNew York City’s Outdoor Dining Sheds Will Start DisappearingNew York City Paid $2 Million for Empty Hotel Rooms Meant for Migrant