Stocktake: Wirecard collapse proves we need short sellers

‘If ignoring the evidence and prosecuting whistle-blowers is a good job, what is a bad job?’

Joe Nocera: Valeant Pharmaceuticals looking like another Enron

Eye-popping growth and questionable acquisitions raise far too many questions

Sceptics wary of Alibaba take on its meteoric rise

Yes, Chinese consumption is rising, but maybe not by as much as ecommerce company boss Jack Ma reckons

Stocktake: Has the music stopped for Blackberry?