Delta Two, the property investment group backed by the Qatari prime minister, increased its grip on J Sainsbury on Friday by paying £732m for an additional 7 per cent of the supermarket group.

VIDEO

Tom Braithwaite looks at the prospects of a full bid for Sainsbury from Delta Two

Sainsbury’s shares jumped following the announcement that Delta Two had acquired a further 123m shares at 595p each, above the price offered in the protracted takeover battle earlier this year and taking its interest to just over 25 per cent.