The S&P 500 is just 0.44 percent below its record high. At the same time, 52 percent of the stocks in the index are trading below their long-term moving averages. According to Dow Jones Market Data, that combination was last seen on March 27, 2000, at the peak of the dot-com bubble. The comparison shows how wide the gap has become between the strength of the index and the performance of many of the stocks that are included in it. A few giants ca…