Meta Climbs Nearly 6% as Petal Subsea Cable Debuts

As seen on the 24/7 Wall St. homepage on September 21, 2026.

META Meta
Regular session
$719.03
+5.70% open $680.27
$724$710$697

A 5.7% intraday jump to $719 is a rare single-session move for a $1.6 trillion company, and it lands the same day Meta went public with its Petal subsea cable. Gains that size on a mega cap reprice the whole index.

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Meta gained nearly 5.7% in a single session, an uncommon move for a company of this scale and a sign that investor conviction shifted.

The catalyst was Meta's announcement of its Petal subsea cable project, telling investors the company is deepening long-term control over the physical layer of its network instead of leasing capacity.

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Buyers kept adding into strength through the close, with the stock finishing near its session highs.

A gain this size on a mega-cap lifts broad benchmarks and forces underweight portfolio managers to reconsider their exposure before the next session.

Mentioned: META