NYSE:APH 14 December 2025 - 15 January 2026

Amphenol Corp shares last closed up about 3.4% at $139.71 on Friday, as U.S. markets headed into a weekend shutdown. The stock traded between $135.40 and $139.96 in the session.

Amphenol Corporation finished Tuesday, December 23, 2025, on a firm note—then barely budged in after-hours trading as U.S. markets head into a holiday-shortened session on Christmas Eve.

Amphenol Corporation is closing out the week with renewed momentum after a sharp Friday rally and a fresh wave of Wall Street commentary heading into year-end. The stock last traded around $135.29, up 4.38% on the most recent session, after touching an intraday high near $136.82.

Amphenol Corporation finished Thursday, December 18, 2025, on a firmer footing—then gave back a small portion of the day’s gains in the after-hours session. APH closed at $129.61, up 2.45%, snapping a two-day losing streak, and later traded around $128.94 in after-hours, down roughly 0.5%. MarketWatch+1

December 18, 2025 — Amphenol Corporation is back in focus today as the stock steadies near the $130 level after a volatile stretch that has included sharp swings in volume, a pullback from recent highs, and fresh debate about whether the company’s AI-and-data-center tailwinds still justify a premium valuation.

Amphenol Corporation finished Wednesday, December 17, 2025, lower as a broad market pullback weighed on many large-cap names. The stock fell 2.03% to $126.51 in the regular session, marking a second straight day of declines, even as it held up better than some closely watched peers in the electrical/connectivity ecosystem. MarketWatch

Amphenol Corporation is back in focus on Wednesday, December 17, after a wave of fresh notes and market chatter centered on its AI-linked connectivity exposure, segment momentum, valuation, and insider/institutional activity.

Amphenol Corporation stock is back in focus on December 15, 2025, as investors weigh a sharp late-week selloff, a near-term dividend deadline, and a stream of fresh notes and filings that keep the connector maker in the spotlight heading into year-end.