Although most U.S. investors build their portfolios around a core of large cap domestic equities, small-cap firms, which generally have a market capitalization’s under $2 billion, are a vital component as well. Because small cap stocks tend to have smaller customer bases, shorter operating histories, and less cash on hand, they are often more volatile [...] Original Post Related Stories: Does Your Portfolio Need A “RAFI ETF”? Revenue Weighted ETFs Continue Impressive Run Revenue-Weighted ETFs: A New Twist On an Old Drink