In Asia today, the Hang Seng ended the morning down 223.56 points at 16,917.22, while the Nikkei was reached the midpoint off 411.09 points at 16,451.05.
New York's main oil contract, light sweet crude for June delivery, was at $72.86 a barrel, down 46 cents from New York late yesterday.
Early broker notes:
DERWENT VALLEY, GREAT PORTLAND UPGRADED TO 'OVERWEIGHT' AT JP MORGAN