The oil market on Tuesday shrugged off a Saudi Arabian pledge to increase capacity; sending crude prices to fresh highs above $50 a barrel amid concerns that high fuel prices would hit global economic growth.

• 石油市场周二无视沙特提高产能的承诺，将油价推至每桶50美元以上的新高，而人们正在担心高油价将打击全球经济增长。