Small caps rally but risks loom as coronavirus batters economy

(Reuters) - Some investors are casting a wary eye on a recent rally in small-cap stocks, highlighting the struggles many expect smaller companies to face as the novel coronavirus slows the U.S. economy.The Russell 2000 - where market capitalizations last year ranged from $150 million to $5 billion - has bounced 20% from its March lows, roughly in line with the S&P 500's 23% gain from its recent trough. Small-cap stocks are often seen as a barometer of investor sentiment and tend to be among..