On June 11, ATI rose 5.28% in regular trading, trading at $192.79/share, with turnover of $92.97 million. The rally was driven by the announcement that ATI and BWX Technologies have signed a new long-term strategic material supply agreement related to the US naval nuclear propulsion program.

Under the new five-year agreement, ATI will deliver critical defense materials through 2030. Financial details of the contract were not disclosed. The deal reinforces ATI's position as a key supplier of specialty materials for national defense applications, leveraging its portfolio of nickel-based alloys, titanium alloys, and other advanced materials essential for naval nuclear propulsion systems.

Within the Aerospace & Defense sector where ATI belongs, stocks broadly advanced. Among individual stocks, Redwire Corp. up 7.77%, Rocket Lab USA up 4.8%, Boeing up 2.74%, RTX Corp up 1.98%, GE Aerospace up 1.2%.

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