A new report from the National Association of Home Builders found a modest drop in interest rates helped to end a string of 12 straight monthly declines in builder confidence levels, although sentiment remains in bearish territory as builders continue to grapple with elevated construction costs, building material supply chain disruptions and challenging affordability conditions.    Builder confidence in the market for newly built single-family homes in January rose four points to 35, according to the National Association of Home Builders (NAHB)/Wells Fargo Housing Market Index (HMI) released Jan. 18.    “It ...