Lumber has surged nearly 30% so far this month in step with the wider rally in global commodities.  Commodity prices have pointed higher amid cold winter weather and geopolitical tensions, among other factors.  The slide in the US dollar is also a reason for the jump in price.  The price of lumber has risen nearly 30% so far this month, in step with the wider rally in global commodities as economies around the world reopen.  "I believe it's part of the larger move in commodities," David Russell, VP of market intelligence ...