A worker unloads a 24-kilowatt Generac home generator off a truck at Captain Electric on February 18, 2021 in Orem, Utah. Shares of backup power generation company Generac Holdings surged more than 7% on Monday as Hurricane Milton rapidly strengthened into a Category 4 storm. Milton is forecast to move north of the Yucatan Peninsula Monday and Tuesday before crossing the Gulf of Mexico to approach Florida by Wednesday, according to the National Hurricane Center. Tampa Bay could face a storm surge of eight t ...