People outside supermarket chain Sainsbury's alongside Argos in Whitechapel, London, United Kingdom (photo by Mike Kemp/In Pictures via Getty Images).In Pictures via Getty ImagesDespite some recent consolidation, the Sainsbury’s share price seems to have finally broken free of its 300p ceiling on the back of its interim results. In fact, I believe the stock has more room to run.Super HalfSainsbury’s had a relatively good half. The retailer saw its revenue grow 2.8% to £17.58 billion. Absent fuel sales, whic ...