Natural-gas futures rose for a fifth day Monday as the eastern U.S. felt its strongest chill of the season, raising expectations of higher demand for gas-fired home heating. Natural gas for December delivery on the New York Mercantile Exchange settled 1.5 cents higher, at $3.574 million British thermal units, the highest price since Oct. 31. Prices gained 12.9 cents, or 3.7%, over the past five sessions as the colder outlook formed. That is the longest string of gains since mid-March when a lingering stretch of late-winter cold temperatures fueled a rally. Analysts said the potential for the current rally to continue looks limited, as forecasts call for a broad return […]