Financial Markets' Year-End Flip-Flop

America's key stock index, the Dow Jones Industrial Average, saw its biggest one day points gain in history. We analyse why global stock markets are keeping investors on their toes. Mental health in the workplace continues to subject people to symptoms like depression and anxiety. The BBC's Clare Williamson looks at the key figures getting high profile about their own struggles. And we look at the global high street retail slump, which hasn't gotten any better with Christmas sales.

(Image: Animation of a man looking confused at a graph. Credit: DNY59 / Getty Creative)