Oil hit an 11-month high just below $57 a barrel on Tuesday, bolstered by Saudi Arabia's plans to limit supply, offsetting worries that rising coronavirus cases globally would curtail fuel demand.Brent crude settled up 92 cents, or 1.7%, at $56.58 a barrel by after touching its highest level since last February at $56.75. U.S. West Texas Intermediate (WTI) gained 96 cents, or 1.8%, to $53.28.Saudi…