Oil slides more, prices seek bottom after five and a half year low

By Barani Krishnan and Samantha Sunne NEW YORK (Reuters) - Global oil markets slumped on Tuesday for a fourth straight day, still seeking a bottom with crude prices at their lowest since spring 2009 on mounting worries about a supply glut. Traders said the trend for crude seemed lower, but that prices could bounce up whenever there is a break in market sentiment. One such moment occurred on Tuesday when weaker-than-expected U.S. economic data suppressed the dollar for a while. This brought crude