Nvidia fell 6.27%, briefly ceding second place to Microsoft.

AI doubts and a probe into whether Jensen Huang was a foreign intelligence target hit the stock.

By 6:30 p.m. GMT Nvidia, at $167.47 a share, was worth $4.035 trillion, Microsoft $3.943 trillion, and Nvidia had retaken second.

The investigation into whether Huang was targeted by a foreign intelligence effort is still open.

How each outlet framed it
TASS
Reuters
ties the Nvidia drop to an investigation into whether Jensen Huang was the target of a foreign intelligence effort

Sources: TASS, Reuters