蜜芽传媒

Markets in Moscow have fallen sharply after the latest sanctions announced by the US. Aluminium giant Rusal is among the worst affected, losing more than 40% of its value. We hear from Chris Weafer of Macro-Advisory Ltd, which advises companies on doing business in Russia and we get further analysis from Pulitzer prize winning journalist Anne Applebaum.

Members of the US Senate Judiciary Committee will have their chance to grill the Facebook boss, Mark Zuckerberg, on Tuesday. Hannah Kuchler who reports for the Financial Times on Facebook, social media and cyber security speaks to us from San Francisco.

Despite Facebook's trials and tribulations, a recovery by tech shares helped the three main US markets extend gains on Monday as we hear from Peter Jankowskis, Co-Chief Investment Officer of Oakbrook Investments in Chicago.

The Spanish state has been accused of being on a mission to suppress freedom of expression. Guy Hedgecoe reports from Madrid.

Roy Orbison is on tour in Britain... as a hologram, Andrew Jenkinson, founder of the interactive technology company V-Stream tells us more.