Lumber prices fell below $800 on Monday to hit their lowest level of 2022.  The 30% year-to-date decline in lumber prices comes as mortgage rates hit a 13-year high.  A recent homebuilder survey revealed a slowdown in demand due to surging mortgage rates.  North American lumber prices fell as much as 6% on Monday to hit its lowest level so far this year, falling below $800 and hitting a low of $780 per thousand board feet.  The decline extends an already tough year for the essential building commodity, with lumber ...