The 2 Most Important Rules Of Short Selling

ByMathias Holmstrøm: Introduction Fellow Author Wim Lewi recently wrote an interesting article on Apple (AAPL). His main point is that the "cheap" P/E-ratio is misleading as margins have topped, and he goes on to make a DCF valuation which values Apple at $500.

By Isaac Silbermann:Today I will cover Xhibit Corp. (XBTC.OB), a $290 million "cloud" company with numerous red flags that indicate it may be being used as a tool to execute a sophisticated Pump and Dump scheme.

For a trading methodology to be successful, it has to be complete. That means covering every aspect of the process – what needs to be done day in and day out, week in and week out, and so on. Early on, many traders begin with an enthusiastic focus on just one area of the program, like signal generation or rules testing, without considering the other equally important elements.

Options strike most as exotic investment transactions. And some option strategies can be risky. But stock options can also be used in ways that are not risky. Call options give you the right to buy a stock at a certain price (the strike price) on, or before, a certain date (the expiration date). So if you want to speculate that a stock will go up in a short period of time you can buy call options.

David White submits:Many complain about HFT, but it can create opportunities for both the “Big Boys” and for you. HFT traders love to short squeeze highly shorted stocks, especially ones that are high growth stocks. The more highly shorted they are, the more easily they can be pushed up, especially in a rising market. Many times the valuations make no sense. Yet people keep buying based on momentum or emotion. The HFT traders love this because they can keep squeezing the shorts with the help of these momentum and emotion traders.

Three years ago, James Montier, renowned economist, analyst and behavioural investing expert (then working in equity research for Societe Generale), issued a note now famous in investing circles that lent support to short selling. At the time, he felt that market conditions were presenting very few bargain value opportunities, while the number of companies falling into his “sell” basket was growing.