But the billionaire American investor is now trying again, making a second investment in the company that dealt him his biggest business setback.

FORBES: Billionaire Blavatnik Makes Second Bet On Chemicals

In the real world of business, setback and failure require reflection and recalibration, processes that are hindered by the exaggerated behavior of a leader.

FORBES: Jim Harbaugh's Super Bowl Histrionics Hurt All Leaders

Since its creation in 1992, the PTC has expired on three occasions, each a big setback for the wind business.

FORBES: Magazine Article

Despite his early setback in the tyre business, Mr Sabanci has made a speciality of joint-ventures with foreign partners, striking 17 since 1985 in sectors as diverse as cars and cigarettes.

ECONOMIST: Import-import

Mandating a floating NAV would make short term financing for American business less efficient and more costly, ensuring a severe setback for an economy emerging from a recession.

FORBES: Why Floating NAV For Money Market Funds Is A Terrible Idea

Just last month, Sir Philip's Bhs business announced a 60% fall in annual profits, a setback he blamed on mistakes in its womenswear collection.

BBC: NEWS | Business | Topshop ructions as fashion boss quits

Pascal Gentinetta, head of the business lobbying group Economiesuisse, had said news of the payments to Mr Vasella had been a tough setback for his campaign for a "no" vote in the referendum.

BBC: Novartis scraps payout to departing boss Daniel Vasella

Tuesday's detentions are a possible setback for the French bank, which has described Russia as a key growth driver to help offset shrinking business at home.

WSJ: Russian Police Detain Head of SocGen Unit