US plywood markets remain quiet and slow on the buy side, over all. Though there are encouraging signs in the plywood marketplace, buyers are watching the downward slide of prices, across the board. Pine plywood started the slide about four weeks ago, when many Western Plywood producers still had decent order files. Most of them were somewhere in the three to four week area.  However, gravity does its work, and western producers now have shortened order files. They have been compelled to ease prices over the last few weeks, with no consensus on where prices may level out ...