HII ▼ -1.4% - Huntington Ingalls Industries, Inc. $HII - HII Details Strategy to Increase Shipbuilding Pace for U.S. Navy Huntington Ingalls Industries fell 1.4% today despite detailing a strategy to accelerate shipbuilding pace for the U.S. Navy. The market's negative reaction suggests investors may have concerns about execution risks, cost implications, or timing of revenue recognition associated with the company's expansion plans. 04-SEP-2026 06:00 PM ET