Wolf Richter just published some charts that, for anyone with a sense of stock market history, are pretty ominous. It seems that the major market indexes that recently soared back to record highs are being elevated by an amazingly small number of stocks – Apple, Microsoft, Amazon, Google and Facebook to be specific — which he calls the “Giant 5.” These stocks now account for nearly one-fifth of the Wilshire 5000 stock index’s value. Read More.