8million was jailed for two years and eight months yesterday. Thomas Ammann, who wears a toupee, persuaded Christina Weckwerth and Jessica Mang to buy and sell shares in a firm he knew to be the subject of a future City takeover bid. Ammann, who worked at the Ziegler healthcare investment banking offices of Japanese bank Mizuho, was one of only seven at the bank who knew that global electronics company Canon was planning a takeover of Dutch printing firm Oce. His two girlfriends, who had no knowledge of each other, bought and sold shares in Oce when Ammann told them to do so.

The women almost doubled their investments and paid Ammann about 50 per cent of their profits. They said they had no idea his share tips were coming from sensitive insider information and were cleared of any wrongdoing last month. When police arrested Ammann, 39, in his central London home, he was in bed with a Japanese woman. At some point, he started a relationship with a fourth woman who gave birth to their baby son six weeks ago. She fled home to China when the extent of his murky dealings emerged. The City has been held in increasingly low esteem over recent years, not least because of the activities of a few unscrupulous and dishonest persons. Ammann, a German national, pleaded guilty to two counts of encouraging insider dealing and two counts of insider trading earlier this year.

80,000 a year, had got into serious debt after three properties he bought dropped in value. Jessica Mang arriving at Southwark Crown Court in October,  left, and right,  Christina Weckworth on the same day. 808,000 which she had received as part of a divorce settlement. While still in a relationship with Miss Weckwerth, he started dating Miss Mang, 30, after meeting her in a London nightclub. 39,000 from money that she had set aside to pay her tax and from borrowing on credit cards. Miss Weckwerth and Miss Mang have been allowed to keep the profits of their trades after being cleared of insider trading. Facebook CEO Mark Zuckerberg sits on Capitol Hill for day No.

2 of testimony, this time before members of the House of Representatives. The comments below have been moderated in advance. We are no longer accepting comments on this article. Could tackling your garden this summer make you happier?

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