Small-Cap Stocks Are Struggling. The Case for Going Even Smaller. — Barrons.com

By Teresa RivasWhen it comes to small-cap stocks, investors might want to go really small or go home.Small-caps have had a tough time recently. The Russell 2000 is down more than 4% over the past month heading into Friday trading, outpacing the Dow Jones Industrial Average's 3.5% decline. Meanwhile…