Why it pays to be cautious on oilCNBCHe said there was a widely held belief that, because oil prices have moved back up to $50 a barrel, it was time to buy. "I'm not sure I buy that. We have to let it (the oil price move) play out a little longer, …

BloombergThe Japanese Aren't Benefiting from Cheaper Oil - The Yen Is the Reason WhyBloombergSpare a thought for Japan -- the nation imports almost all its energy and stood to make windfall gains from the collapse in oil prices, only to see the benefit …