California Nanotechnologies is trading at $0.29, up 8.93%, with its Santa Ana expansion the clearest potential catalyst for the October 22 gain; the announcement did not explicitly link it to the move. - Announced October 21, the project adds 15,500 square feet, about an 80% increase in the facility’s existing footprint. - The space supports production capacity for customers and follows a large purchase order and development agreement with a Fortune 100 multinational.