Sigma Labs soars 200% after signing deal with Lockheed Martin for the software company's PrintRite3D product

Shares of Sigma Labs soared 200% on Monday after it announced a deal with Lockheed Martin. Lockheed Martin awarded the software company a contract for an initial system of its PrintRite3D. The value of the contract was not disclosed. Shares of Sigma Labs, a commercial 3D metal printing software company,...