There's been no shortage of successful product launches in 2012 -- think iPhone 5 and "The Avengers." But sometimes, no matter how many months a company invests in development or how many millions it spends on ...
Alamy
Though the hucksters and charlatans of Wall Street will argue the point, there is no such thing as a guaranteed winner when it comes to the stock market. However, some of the most popular exchange-trade...
