Oil & Gas was the only sub-component to decline last month. Rising 'geopolitical risk premiums' for light crude oil - linked to recent unrest in Nigeria and international tensions over Iran's decision to resume nuclear research - were more than offset by sharply lower natural gas and propane prices - the result of exceptionally warm winter weather in key U.S. heating oil markets. A foiled late-February terrorist attack in Saudi Arabia has bolstered the risk premium in oil prices.
-Patricia Mohr
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