If it breaks, it is time to focus on US Oil Stocks like Chevron (CVX) ... or just buy Oil ETF ticker: "OIL", "OIH" or "USO". I heard from one of my friends that you may buy oil related ETF through some local CFD brokers. Try to see if possible....
With the Iran uncertainty, it might just break! May use it as a hedging tool against your stocks asset!
