Amphenol up 4.2% as AI data-center demand supports sentiment

Amphenol's latest quarterly report, covering the second quarter of 2026, was released in late July and set a record: sales of $8.8 billion, orders of $10.7 billion, and adjusted diluted earnings per share of $1.35. The company said its recent performance has been powered in part by IT datacom demand, with very strong growth tied to AI-related interconnect, fiber, copper, and power products. That operating momentum appears to be the backdrop investors are still responding to.

Separately, Amphenol's two-for-one stock split took effect on September 2, 2026, a step the article notes can sometimes improve trading liquidity and keep retail interest elevated for a period after the split. The company also confirmed a third-quarter dividend of $0.125 per share after the split, with a September 22, 2026 record date and an October 14, 2026 payment date. The article suggests some buyers may be stepping in ahead of the dividend eligibility window.

The immediate move therefore appears to have no single new trigger, and its staying power may depend on whether investors keep rewarding the data-center demand story and the post-split trading dynamics. Insider activity over the past six months has leaned entirely toward sales, while institutional positioning was mixed in the most recent quarter. For shareholders, the near-term calendar is anchored by the September 22 record date and the October 14 payment.