The Stock Market Is Repeating a Pattern Last Seen Decades Ago -- Here's What History Says Happens Next

Key Points Not every stock has gone up in the current bull market. The individual stocks in the S&P 500 are exhibiting a pattern not seen since the early 2000s. It could be a major warning for what comes next. These 10 stocks could mint the next wave of millionaires › In any given market environment, investors can usually point to a small subset of stocks that account for nearly all of the gains in major indexes such as the S&P 500 (SNPINDEX: ^GSPC) and the Nasdaq Composite (NASDAQINDEX: ^IXIC) . A study published this year found that just 46 of more than 29,000 publicly traded companies accounted for half of the stock market's wealth creation over the last 100 years.