Kadant Inc. (NYSE:

) shares are skyrocketing today on heavy volume, up 3.7% to $25.18, a gain of 90 cents. Volume is exceptionally heavy, having traded more than 100,000 shares today. The average daily volume is just over 60,000 shares. Kadant Inc. develops, manufactures, and markets equipment and products for the papermaking and paper recycling industries. Its principal products include custom-engineered stock-preparation systems and equipment.