Posted by Izabella Kaminska on May 08 12 : 23 . - The City of London ATM . - Stress test tension and the question of converting capital . - Black swans , black sheep in the world 's biggest balance sheet . - April is the cruelest month for shorts . - The trouble with doorstep lending in emerging markets . - 727 Cassandras of financial journalism . - RBS , interns and stress-tests on Markets Live . - Impairments at RBS soar to £ 3bn . - Carphone buys Tiscali UK for £ 236m . - Producer price inflation slows sharply . - London stocks lifted by banks after stress tests .