The S&P 500 was up by only 4% in the first half of 2011, and it fell about 1% in the second quarter. Will it end there? A sell-off may be about to begin that would take the index lower for the full year. Here are half a dozen reasons why one of history's most impressive stock market runs may have ended.
The dollar is looking mighty attractive, thanks to a reviving U.S. economy and eurozone woes, and it will only get stronger as traders who gambled that it would fall buy dollars to unwind their bad bets. Add in China's desperate need to get its overheated economy in check, and commodities prices look like they have nowhere to go but down.