Fundamental Development: Oil prices slid Monday as flare-up in COVID-19 cases in Beijing quelled hopes for a rapid pick-up in China's fuel demand, while worries about global inflation and sluggish economic growth further depressed the market. Brent crude futures fell $1.81, or 1.48%, to $120.20 a barrel while U.S. West Texas Intermediate crude was at $118.81 a...