NNE ▼ -0.6% - NANO Nuclear Energy Inc. $NNE - NANO Nuclear and Howden, a Baker Hughes Business, Advance Engineering Collaboration for the KRONOS MMR™ Primary Helium Circulator to Detailed Design Phase NANO Nuclear Energy shares declined 0.6% today following the company's announcement of an advanced engineering collaboration with Howden, a Baker Hughes Business, to move the KRONOS Micro Modular Reactor's primary helium circulator into detailed design phase. The progression represents a key technical milestone in developing the company's small modular reactor technology. 03-SEP-2026 08:01 AM ET