Stocks moved lower for the third consecutive day on Friday, something that hasn’t happened in more than three weeks, as the bulls just couldn’t capitalize on a short-term overbought condition. Measures of selling pressure eased as the bears rested their knuckles after a two-day pummeling.

The commodities market is a popular place these days. For investors not ready to leap into an “optimized” play, the ETF market is filled with opportunities.

You may have heard about Brazil’s Tupi and Carioca, which may be the two biggest oil fields discovered in the last 30 years. What makes these discoveries particularly remarkable, in addition to their size, is where they are. They lie underwater, hundreds of miles off the coast of Brazil. Call it “blue water energy.”