shares of american electric power co inc aep slid 042 to 9242 friday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 083 to 416948 and the dow jones industrial average djia rising 080 to 3409816 american electric power co inc closed 1318 below its 52week high 10560 which the company achieved on september 12th