Business Diary: Tesco the film, coming soon?

No news yet on what Sir Terry Leahy plans to do once he steps down from running Tesco next year, but does a forthcoming speaking engagement provide an early clue to his thinking? Sir Terry is to star in a London Business Forum event that is being held next week at the Leicester Square Odeon cinema in London. Is the man who built Tesco into a supermarket giant plotting a move to the silver screen? Tesco's experience launching Fresh and Easy in California will have taught him that Hollywood is tough to crack, but surely the domestic market shouldn't be too tricky.

G4S sends 650 to Ryder Cup

Enjoy the first day of the Ryder Cup today – and if you're wondering about the bruisers following the golfers around, let us put your mind at rest. They are employees of G4S, Britain's biggest security company, which has the contract to police golf's biggest event this year. With 650 G4S staff on the ground at the Celtic Manor course in South Wales, the greens should be safe from invasion (unless the Americans win, that is).

Home prices and the Milibands

Are you struggling to make sense of the latest house price figures? So too are most of the experts, with some analysts suggesting that the market has taken another precipitous plunge over the past month, while others, such as Nationwide Building Society yesterday, are claiming that there have actually been price rises. Here's the take of estate agent Henry Pryor on the confusing data: "A 'Miliband market' is how I describe it – folk are unsure what to believe and most assume it means bugger all to them."

Where Batman put his iPhone

Yet more proof that some people have more money than sense. If you're a fan of Batman, love your iPhone and have a wedge of notes burning a hole in your wallet, a company called Universal Designs has the ideal product for you, reports Gizmodo, the technology gossip site. It's a replica of Batman's belt from the Dark Knight film, with one small change – a built-in iPhone holder.

businessdiary@independent.co.uk