(Concord, NC)  -- Matt Kenseth rode the number-17 car to victory lane in the Bank of America 500 at Charlotte Motor Speedway on Saturday to pull within seven points of the Chase leader Carl Edwards.  Kyle Busch finished second and sits 18 points back of the third-place finisher, Edwards.  Kevin Harvick, who finished sixth, sits in second place in the Chase.  Tony Stewart had a pair of disappointing pit stops late in the race to finish eighth, and he sits fifth in the Chase, 24 points back.  Five-time champion Jimmie Johnson saw his night end with just 18 laps remaining when he hit the wall hard on lap 315.  Johnson finished 34th and fell back to eight-place in the standings, 35 points back.  The series heads to Talladega Superspeedway next weekend.