CNBC's Bertha Coombs discusses the day's activity in the commodities markets. Moves by the Bank of Japan sent the dollar higher and oil lower, but nat gas inventory draw downs pushed natural gas higher.
Brent crude oil, which has historically traded at a discount to the Nymex's West Texas Intermediate (WTI) crude oil grade, has been trading at a premium of over $10 for the past several weeks. It has lead many to ask: why?