COMMODITIES -Volatile markets end 2020 strong with vaccines, stimulus in sight
12/31/2020 * Spot Asian LNG leads 2020 commods gains, up more than 140% * Oil has more than doubled from decade lows in April * Chinese demand boom drives copper, base metals higher * Corn, beans on track for strongest annual gains since 2010 By Naveen Thukral and Gavin Maguire SINGAPORE, Dec 31 (Reuters) - Global commodity markets ended 2020 on a strong note, with recovering demand and widespread stimulus packages buoying prices after a roller coaster ride caused by the global coronavirus pandemic. Rollouts of vaccines to combat the virus and trillions of dollars' in fiscal support ar...