While the headlines focus on the problems stemming from the European Union, Greece and the rest of the PIIGS (Portugal, Ireland, Italy, Greece and Spain), longer-term investors currently have the opportunity to pick up some good assets for cheap that could strengthen portfolios for years to come; in this case, commoditiesand hard-asset producers. Commodities overall have fallen from their highs as evidenced by broad-based funds such as the PowerShares DB Commodity Index (NYSE: DBC) sinking toward their 52-week lows amid the Euro-zone crisis. Commodities still make sense for portfolios as they are one of the main catalysts for a growing global economy.