Malcolm Calvert, a City veteran and former Cazenove partner known by his peers as 'Streaky', has been found guilty of five counts of insider trading in a case at London's Southwark Crown Court.

Calvert had stood accused of passing on inside information to Bertie Hatcher, a friend, who then acquired shares in six firms involved in mergers, takeovers or management buyouts. The offences date from April 23, 2003, to March 8, 2005.