I've been dabbling with applying some of our Swing Signals algorithms to weekly data. This past weekend I came up with an interesting stock that generated a Strong BUY signal. The company is Energy XXI (Bermuda) Limited (EXXI). Background -- The company engages in the acquisition, exploration, development, and operation of oil and natural gas properties onshore in Louisiana and Texas and offshore in the Gulf of Mexico.As of June 30, 2009, it had proved reserves of 53.1 million barrels of oil equivalent, as well as operated or had an interest in 274 producing wells on 148,784 net developed acres. With all the negative publicity around companies that drill in the Gulf of Mexico, it's a bit of a surprise to see a company like Energy XXI beginning to register gains in its stock price. What seems to be happening is that investors are beginning to discriminate between deep water drillers and shallow water drillers. Energy XXI drills in waters only 100 feet deep. The company ten...