Brandon Bell/Getty Images News Shares of CenterPoint Energy (NYSE:CNP) have been a poor performer over the past year, essentially treading water during what has been a strong bull market run. Since recommending shares as a “buy” in November, CNP has continued to trade flat, lagging the S&P 500’s double-digit return. I continue to believe the company has very favorable geographic positioning and is poised for solid dividend growth, though recent developments have been somewhat mixed. On balance, I still  ...