US lumber prices made a big comeback in the second quarter, with a nearly 60% jump for the period more than making up for a loss in the first three months of the year, as home builders rebounded from the initial effects of the pandemic.  Lumber prices and their rapid rise, particularly in the three weeks ended on July 2, have exposed an industry that was or is “underinventoried to meet current demand,” says Greg Kuta, president of lumber broker Westline Capital Strategies.   Most-active lumber futures LBU20, +0.06% gained 56.5 ...