shares of resmed inc rmd inched 064 higher to 23594 tuesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 116 to 411958 and dow jones industrial average djia falling 108 to 3368453 resmed inc closed 1171 short of its 52week high 24765 which the company achieved on august 11th