► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Activist investors say Vivendi is undervalued, in large part because of the missed potential of the media conglomerate’s Universal Music division. Robert Armstrong considers whether the numbers add up.<br /><br />► Lex: http://bit.ly/1I14JZF<br /><br />► FT Markets: http://bit.ly/1J5HNd3<br /><br />► Why Verizon wants to buy AOL: http://bit.ly/1S88Zaz<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes