It is interesting to see that there was a significant jump in sales between May and June. The jump didn't occur with the debut issue of the new creative team or the debut of Wally West in the Flash Annual. It didn't happen until three issues in.
May Sales:
http://www.comichron.com/monthlycomi...4/2014-05.html
June Sales:
http://www.comichron.com/monthlycomi...4/2014-06.html