shares of southern co so sank 014 to 7111 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 061 to 399532 and dow jones industrial average djia falling 042 to 3396635 the stocks fall snapped a twoday winning streak southern co closed 946 below its 52week high 8057 which the company achieved on august 19th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as nextera energy inc