US equities

US markets live · August 18, 2026

Material developments only. Each item passed independent evidence and Google News compliance checks.

Why Is Klarna Stock Down Today?

Klarna exceeded its own guidance on every line. Investors priced the volume forecast and the finance-chief departure instead.

Why Is Costco Stock Moving Today?

Costco is putting its name on Medicare plans with SCAN Health Plan — and federal rules bar the one thing it would most want to include.

Why Is RTX Stock Moving Today?

Raytheon won a 7-year, $22.9 billion Navy contract to build Tomahawks at more than 1,000 a year. The stock barely moved.

Why Is UGI Stock Up Today?

KKR reportedly offered $42.50 a share for UGI. The stock jumped — but stopped well short of the offer price.

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