NEW YORK ( TheStreet ) -- Warren Buffett has long talked about the virtues of businesses with "moats."
Can wide-moat stocks outperform the markets? Maybe so. Several wide-moat ETFs have delivered solid returns. Among the most promising choices are two products that track a Morningstar index, ELEMENTS Morningstar Wide Moat Focus ETN (WMW) and Market Vectors Wide Moat ETF (MOAT). During the past five years, the Elements ETN returned 10% annually, compared to 4.6% for the S&P 500, according to Morningstar.
Buffett popularized moat companies in a remarkable article that he wrote for Fortune magazine in 1999. At the time, stocks were soaring as investors embraced technology stars. Many investors believed that markets would continue delivering double-digit returns as the Internet introduced a new era of productivity growth.But Buffett sounded a cautious note. The markets would likely produce annual returns of around 6% in the next 17 years, he predicted. The problem was that prices had become rich.
Conceding that new technology would bring important changes, Buffett pointed to earlier breakthroughs, such as cars and airplanes. Those had altered society, but the stocks of the new products proved to be poor long-term investments. Buffett said that instead of seeking businesses that can change society, investors should buy stocks with durable competitive advantages. "The products that have wide, sustainable moats around them are the ones that deliver rewards to investors," he wrote. Within a year, Buffett's forecast appeared prescient. Technology stars crashed, while mundane companies that dominated their markets proved more resilient. Buffett's thinking had a big impact on researchers at Morningstar who set out to locate companies with wide moats. The researchers began compiling a list of businesses that could dominate their niches for decades. These days, the Morningstar ranking of wide-moat companies includes such solid performers as Caterpillar (CAT) and Buffett's Berkshire Hathaway (BRK.B). To develop the index, the Morningstar analysts studied how companies with advantages had performed in the past. What became clear was that many companies achieved strong profits for a year or two and then slipped back to producing mediocre results. In a common pattern, a fashion company would develop a new style that produced a profit surge. But competitors soon developed copies that took away sales.
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