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APH

-3.7%⚪ No clear catalyst

Amphenol Corporation · Technology

$82.70Vol 9.26M · 0.8× normalMkt cap −$7.87Bafter · 2026-10-14 ET

What happened

Move
-3.7%
Price
$82.70
Volume
9.26M
0.8× normal
Market cap
$203.94B
−$7.87B today

Why it moved

Sector-wide movelow confidence

Sector-driven move — the stock is moving largely with its sector (-2.6%); no major company-specific catalyst detected.

Verdict — was the move justified?

⚪ No clear catalyst

An unusually large move with no reliable catalyst identified — most likely flow/positioning-driven rather than news-driven.

How unusual is this move

σ score
2.8σ
vs own 20d volatility
Percentile
94th
of 1277 daily moves
Avg daily move
±1.4%
own 5y average
vs sector
-1.1%
beyond sector median

Today’s move is among the largest 6% of APH’s daily moves over the last 5 years — while the sector moved -2.6% and the market -0.5%.

What happened after similar moves

70 similar down moves in APH’s 5-year history:

After 5 days
+0.6%
54% higher
After 20 days
+4.0%
67% higher

Median of same-direction moves within ±35% magnitude band. Past patterns don’t predict outcomes — context, not signal.

Fundamental context

V 27G 100P 90H 80Q 81EW 49/65

Insider activity (90d): net selling $69.42M

Valuation context

P/E (TTM)
39.6
5y median 35.5
P/E percentile
64%
vs own 5y history
FCF yield
0.0%

Valuation sits near the middle of its own historical range (64th percentile).

Full fundamental analysis on PreMarketPrice

Pillar scores, financial statements, valuation history, news & more for APH

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APH -3.7% — Why it moved today | GainersLosers