Power generation in China jumped by the most in October in nearly two years and overall electricity output was at its highest for any October since at least 1998, as a heat wave hit southern China while temperatures were colder-than-usual in the north. China’s power generation surged by 7.9% in October from a year earlier, with total output at 800.2 billion kilowatt-hours (kWh), data from the National Bureau of Statistics showed on Friday. The October generation hit the highest for the month of October since at least 1998, according…