The stock market rally from the edge-of-the-cliff reversal on February 12 has continued, and an assault on the all-time highs from almost one year ago (on the S&P 500) now seems plausible. If it can hit new highs, the 7-year bull market is back in business. We are about halfway through earnings season, and after several years of record corporate earnings that were at least partly fueled by Fed policies that helped finance M&A and stock buybacks, some fear that profit margins have peaked. Read more about Sector Detector: Bullish sentiment solidifies even in the face of lofty valuations