Jack in the Box ( JACK) operates and franchises Jack in the Box quick-service restaurants and Qdoba Mexican Grill fast-casual restaurants. This stock is trading up 6.7% at $22.32 in recent trading. Today's Volume: 419,000 Average Volume: 381,138 Volume % Change: 130% From a technical standpoint, JACK is gapping up big today and breaking out above some major overhead resistance at $21.40 on heavy volume. That $21.40 level has marked major resistance for this stock for the past five months. As long as JACK can manage to close above $21.40 and near its daily highs today, then this stock should set up to re-test its next significant overhead resistance level at $24.17 in the near future.