Why is the US bailing out the Yen?

The US and Japan joined forces last week to prop up the weak Yen.

The US and Japan joined forces last week to prop up the weak Yen after it reached a forty year low, we look at why that is.

Plus, pharmaceutical company Astra Zeneca is reportedly exploring a merger with US company Bristol Myers Squibb. We hear what that could mean for the drugs industry.