Bullish Sentiment Has Taken Hold of Oil Markets

Fundamentals and geopolitics pushed oil prices to above $90 per barrel last week as more market participants have become bullish on crude.  After sitting on the sidelines in a more risk-off approach for nearly a year, a growing number of financial market participants now believe that oil is a buy, according to Mike Muller, Head of Asia at the world's largest independent oil trader, Vitol.       As Brent oil prices broke above $85 and then $90 per barrel earlier this month, some short-sellers decided…