Since exchange-traded funds (ETFs) were first introduced in 1993, interest in them has grown steadily. In one year alone, ETF assets increased by a staggering 49% to reach $588.2 billion.

Although ETFs resemble index mutual funds, they actually have a lot in common with individual shares of stock. ETFs can be purchased on margin, sold short, and traded any time the markets are open. If you are seeking an investment that can offer the benefits of both mutual funds and stocks, an ETF may be an option to consider.

An ETF is a passively managed portfolio of securities that is initially sold by an investment company and thereafter traded in individual shares on a stock exchange. The underlying securities may all be from a certain sector or country, or they may track a broad market index.

Taking Stock

ETF share prices are more likely to be based on the demand for the shares themselves

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Owning healthcare stocks in an election year, especially one in which universal healthcare has taken center stage on the Democratic agenda, is not surprisingly a wild ride. With less than six months to go until our country chooses its next president, near-term headline risk for healthcare stocks should stay elevated for a while. That said, some healthcare names, most notably the health insurance providers, have seen their share prices get beaten down to levels that can’t help but get value investors’ attention.A perfect example is United Healthcare (UNH), one of the largest health insurance providers in the country. The combination of political risk and a recent acceleration in healthcare cost inflation have investors nervous. The stock has fallen from a high of more than $59 in December and hit a new 52 week low on Thursday, trading below $32 per share. This dramatic 45 percent decline leaves UNH ...