► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />UBS almost doubled its first-quarter earnings thanks to the success of its wealth management operations. Lex's Robert Armstrong and Oliver Ralph discuss whether, in light of this, the company still needs its investment banking arm.<br /><br />► Lex: http://bit.ly/1I14JZF<br /><br />► FT Markets: http://bit.ly/1J5HNd3<br /><br />► RBS Sale: http://bit.ly/1QLYI8D<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
