"Magnificent Seven" companies Meta Platforms, Microsoft and Tesla posted earnings results after Wednesday's close.

"Magnificent Seven" companies Meta Platforms, Microsoft and Tesla posted earnings results after Wednesday's close.

Meta jumped, while Microsoft plunged post-earnings as investors hunt for signs that big AI investments are paying off.

"Magnificent Seven" companies Meta Platforms, Microsoft and Tesla posted earnings results after Wednesday's close.

The software company was alone responsible for more than two-thirds of the S&P 500's drop.

As investors sold shares of Microsoft on Thursday, the $3.22 trillion company dragged down the software complex and the S&P 500 index.

Microsoft dropped 10%, shedding more than $350 billion in market value after its cloud business failed to impress, while Meta gained 10%.

Apple's results wrap a big week of earnings from megacap tech companies.

Shares of Microsoft fell almost 10% Thursday while Meta jumped roughly 10% after earnings from both tech giants Wednesday.