► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Bank shares have had a terrible week, with Commerzbank, UniCredit, Barclays and Credit Suisse among the worst performers. FT capital markets correspondent Thomas Hale looks at whether low profitability will seep into the broader stability of the sector.<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
