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Session

Pre-market covers 04:00–09:30 ET, intraday 09:30–16:00, after-hours 16:00–20:00.

Float market cap ($B)

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Event type

APH

Amphenol Corporation

October 28, 2026 · pre-market

Rarity
1.27
Peak move
+6.86%
Float cap
$190.9B

Still running — rarity and peak move can only rise from here.

Amphenol Corporation designs, manufactures and markets electrical, electronic and fiber optic connectors, interconnect systems, antennas, sensors and sensor-based products, and coaxial, high-speed and specialty cable. It serves customers across automotive, commercial aerospace, communications networks, defense, industrial, information technology and data communications, and mobile devices end markets worldwide.

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What we found

no events · 0 from SEC or newswire · 0 timed with the move
Nothing found.We searched SEC filings, the newswires and the open web across the three days around this move and found no public information that explains it.