In this episode of The World This Week, Rita teams up with Mashable to investigate what's behind this week's spurt of ShareHold-er ECO Activism with science editor, Andrew Freedman. Fiona Norman speaks to Greek financial crisis expert, Thanos Dimadis, to find out how unlocking a €10.3bn bail out loan will help in easing the countries financial debt pile. We look at why tech companies are in the top five list in the world with the most cash in the bank, and how the value of sterling has been extremely volatile this year and what link this may have with Brexit fears.