Amphenol (APH) Drops 6.5% in One Session, Erasing $12 Billion
As seen on the 24/7 Wall St. homepage on October 22, 2026.
A 6.5% slide to $72.40 takes roughly $12 billion off a $178.5 billion connector giant in a single session, an outsized day for a name that rarely moves like this. Watch whether it holds the $72 area into the close.
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Amphenol sold off steadily from the open and never recovered its footing, with shares trading near $72.40 by the afternoon.
A 6.5% decline erased roughly $12 billion in market capitalization in a single regular-hours session, a striking move for a stock not known for outsized daily swings.
Selling persisted through the day, with prices briefly finding footing in the low $73 range before drifting lower and consolidating in the low $72 corridor.
The $72 area now becomes the immediate reference point for investors watching the stock. A close firmly above it would suggest the selling pressure found a floor at current levels, while a move below would extend the day's damage and raise questions about near-term support for a name that commands a premium valuation.
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Mentioned: APH