Halliburton is trading at $34.65, down 4.2%, amid broader energy-sector weakness as crude prices dropped sharply amid renewed U.S.-Iran diplomatic hopes, easing supply-disruption concerns.
- The price context shows a 4.20% live decline.
- Halliburton announced its acquisition of Keystone on November 2, 2026, but available reporting does not link the deal to the share decline.
- Reliable volume or trading-activity data was unavailable.