As well as the Dow Jones Industrials and S&P 500 have done recently, setting successive all-time records on multiple occasions throughout the past couple of months, they're not the only stocks that have soared. One often-overlooked part of the stock market has done even better than the Dow and S&P recently.
In the following video, Fool contributor Dan Caplinger takes a look at this promising area of the market, which marked a new milestone earlier this week and has nearly tripled since the 2009 lows. Dan examines why these stocks have done so well and answers whether it makes sense to invest in this promising sector now.
