Over the years, I have known quite a few traders and several with quite deep pockets, but very few would ride a 17% gain to a loss, By early June 2012, ( UTX) was down 5% for the year.

FORBES: 5 Rules for Success in 2013

But United is in deep trouble: it filed for bankruptcy protection last year and it now seems quite likely to shut down altogether.

ECONOMIST: Economics focus

There has been much heated debate this week about how much more oil there is to come - probably a lot, but not necessarily offering up quite such generous tax revenue once the industry has been incentivised to drill and develop in deep water and hard-to-reach reserves.

BBC: Scottish independence: Fjords flowing with funds