Billionaire investor William Ackman. Photograph: Scott Eells/Bloomberg

A few months ago an innovative partnership between Valeant Pharmaceuticals and billionaire investor William Ackman to buy Botox maker Allergan look(...)

Steven Cohen: a judge ruled yesterday that the entire case against him and SAC can go forward. Photograph: Scott Eells/Bloomberg

A US federal judge has rejected billionaire investor Steven A Cohen’s bid to dismiss lawsuits by shareholders of pharma firms Elan and Wyeth who clai(...)

Mathew Martoma, a former SAC Capital Advisors fund manager exits federal court with his wife Rosemary Martoma,  in New York, today after being  found guilty in the most lucrative insider trading scheme ever. Photographer: Louis Lanzano/Bloomberg

Mathew Martoma, a former portfolio manager at billionaire Steven A. Cohen’s SAC Capital Advisors hedge fund, was found guilty tonight of engaging in w(...)

Mathew Martoma: a former SAC portfolio manager, is charged with using confidential information provided by two doctors involved in clinical trials to trade in drug firms Elan and Wyeth, which is now owned by Pfizer. Photograph: Reuters

A trial starting this week over what US prosecutors call the most lucrative insider trading scheme ever will likely delve into the trading activity of(...)

Francis Bacon’s 1969 triptych, “Three Studies of Lucian Freud,” on display as it is auctioned at Christie’s in New York, November 12th, 2013. The painting sold for $142.4 million, described as the highest price ever paid for an artwork at auction. Photograph: Chang W. Lee/The New York Times.

A painting by Dublin-born artist Francis Bacon sold for $142.4 million (€105.3 million) at auction in New York last night – the most valuable work of (...)

More than half the estimated €43 billion spent worldwide last year in the fine art and antiques market was accounted for by private transactions – sal(...)