shares of tyson foods inc cl a tsn took a 16 dive 1641 to 5073 monday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 005 to 413812 and the dow jones industrial average djia falling 017 to 3361869 tyson foods inc cl a closed 4404 below its 52week high 9477 which the company reached on may 10th