shares of weyerhaeuser co wy advanced 100 to 3016 monday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 015 to 385576 and dow jones industrial average djia falling 028 to 3181914 the stocks rise snapped a twoday losing streak weyerhaeuser co closed 1270 short of its 52week high 4286 which the company reached on april 29th