Papa John's gains after Reuters report on Apollo's fresh take-private bid

** Shares in Papa John's PZZA jump 12.6% to $54.80 in premarket trading

** Reuters reports that Apollo Global APO has made a fresh bid to take the pizza chain private at $64 per share, citing people familiar with the matter

** Situation is fluid and no deal is guaranteed, they added

** In June, Apollo and Irth Capital submitted joint offer for co at just above $60 per share, Reuters had reported, citing sources

** Including session's move, stock up ~19% so far this year