1. AstraZeneca will need more than the placebo effect to placate investors (Telegraph)

"AstraZeneca investors have been popping the Seroquel for a while now. But each time they looked at the share price, those psychotic feelings came wooshing back", writes Alistair Osborne.

2. Just another businessman playing the power game (Financial Times)

Philip Delves Broughton defends Rupert Murdoch's actions as standard for a businessman in his position.

3. Kickstarter of the day, Flint-and-Tinder edition (Reuters)

Felix Salmon points out the growing awkwardness of Kickstarter being used to provide what is essentially start-up funding.

4. All your Tumblr are belong to Them (Reuters)

Paul Smalera writes on the usefulness of social media to firms which specialise in "big data".

5. Executive excess? You ain’t seen nothing yet (Times)

Ian King writes that the saga of Oklahoma-based Chesapeake Energy "inspires little faith, a decade on from Enron and WorldCom, that US regulators are doing any better at keeping tabs on corporate executives."