Boeing Co. shares rallied sharply on Wall Street after the US Federal Aviation Administration (FAA) granted final certification for the 737 Max 7 variant.
The regulatory green light marks a significant milestone for the aerospace manufacturer, allowing the smaller narrow-body jet to enter commercial service and addressing a long-standing bottleneck in the company's production pipeline.
The stock's advance contributed to a broader lift in US equity markets, which posted gains on Tuesday.
Investor sentiment improved as optimism over a potential de-escalation in the Middle East bolstered risk appetite.
The Dow Jones Industrial Average led the advance, continuing its recent climb after several days of declines.
The rebound reflects a combination of easing geopolitical tensions and continued strength in corporate earnings.