Here's a look at the best and worst of exchange-traded funds this week.
Europe's largest bank, Deutsche Bank, is in the midst of a slow-motion collapse. If you own ETFs or ETNs, you need to be especially careful.
OPEC's leader has started an oil price war it can neither control nor win. Here are three safe but powerful ways to make money from the kingdom's mind-boggling misjudgment.
The pace of oil production is depressing prices now, but can only be kept up so long before economics forces companies and countries to curb output, pushing prices higher.