Tesla Stock Rises With Semi Truck Launch. The New Roadster Is Up Next. — Barrons.com

By Al RootTesla stock rose early Friday after it held a Semi Truck launch event in Nevada.The Semi is a 10-ton behemoth Tesla hopes will disrupt shipping amid sky-high diesel costs. Next up is a one-ton race car, which is a collaboration with SpaceX.Shares of the electric-vehicle maker were up 0.9…