Home builder confidence increased in April to an index reading of 63, which was one point higher than for March and the highest reading in six months. Analysts said that April's reading revealed more about housing market conditions in the past six months than it was an indicator of future market conditions. November's builder confidence reading was the lowest since housing markets tanked in 2008, Builder confidence recovered over the past few months despite headwinds including higher materials costs and shortages of labor and buildable lots. Home Builder Confidence Holds Steady Despite Headwinds NAHB Housing Market Index readings over 50…