Basic Investment Strategies, Part 3: Fads and Trends
Tuesday, March 4th, 2008The tip we’re going to cover this time deals with fads and trends and what effect they really have on particular stocks and the market as a whole. You often hear of people “analyzing” stocks by looking at their past performance and trends, in hopes of gleaning some bit of insight into how the stock will perform in the future. Despite the conventional wisdom, this is by and large a waste of time.
The Gamblers Folly
Ever hear of the Gambler’s Folly? Imagine a guy watching a Roulette wheel in Las Vegas. He sees it come up black an astonishing ten times in a row. He might say to himself, “That’s it. Statistically speaking, red is bound to come up next, the odds favor it!” and put all his money down on red, certain that it’s time had come. However, imagine as well that a different man who had not been watching the wheel just now walked up for the first time. Would it be more reasonable for him to bet on red as well? Of course not.
The reality is that each time the wheel is spun, there is a perfectly equal chance of whether it will come up red or black, and what colors have come up on the previous ten spins have absolutely nothing to do with influencing that outcome. The stock market, of course, isn’t just a game of chance, but the point still stands: past performance is a very unreliable indicator of future performance. There are just way too many variables involved in the market at any given time to think of things that way.
The Next Big Thing In The Market
Nevertheless, you’ll always hear people talking. They might go on and on about some great new technology or service that has been seeing astonishing gains recently. It’s “the next big thing“, they’ll say, and people tend to buy into it in droves.
However, the cold fact is that once people are talking about a stock, it’s probably already too late for you to get in on it. The reason they’re talking about it is the good past performance it’s had, and as we’ve just seen, that’s no way to judge a stock. Therefore, resist the temptation to look at past performance and follow fads in investing. You’ll never get ahead that way.
Instead, take the time to learn about the factors that really do influence the market and study them. It’s the only way to formulate a predictive strategy that can be called anything close to accurate.
See you next week for part 4 of Basic Investment Strategies.
Sean Rasmussen
The Bullhunters Guide
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