Amazon is down by $347 billion, falling by 14%, while Alphabet is off by $275 billion after a 12% decline. Meta has shed $286 billion in market cap, a 16% drop.
Tesla has seen by far the biggest percentage decline at 33%, equaling $386 billion in value.
Goldman Sachs on Wednesday referred to the group as the "Maleficent 7." David Kostin, the firm's chief U.S. equity strategist, noted that the basket now trades at its lowest valuation premium relative to the S&P 500 since 2017. Goldman cut its price target on the benchmark index to 6,200 from 6,500. The S&P 500 closed on Thursday at 5,521.52.