They tried to short Facebook on Monday, but their clearing firm told them it was prohibited.

WSJ: Some Facebook Underwriters Helped Short Sellers

He likens the state of this work to that of commercial logistics in 1970, when he took over the customs-clearing firm from his dad.

FORBES: All His Children

Then there were conflicting reports about how those with collateral on deposit would be able to get their funds transferred to another clearing firm so they could trade or execute trades again.

FORBES: MF Global : 99 Problems And Auditor PwC Warned About None

The site says that the firm COR Clearing upped margin requirements for positions in Apple from 30% to 60%.

FORBES: What's Up With Apple? (Updated With A Few More Theories!)

On Tuesday, his trading firm was setting up accounts with new clearing firms but still had six figures tied up in MF Global.

FORBES: Anger Builds Over MF Global Mess - And Spells Trouble

But Hibs held firm and John Hughes in defence was inspirational in clearing any potential danger.

BBC: Saints and Hibs face replay

He had routed some proceeds through Bear accounts, but the firm--which just settled unrelated civil charges of clearing trades for a sleazy brokerage--says the individuals weren't its clients and hence it owed no duty.

FORBES: The Informer

The US has approved the sale of Canadian oil firm Nexen to China's state-owned CNOOC, clearing the way for the deal to be completed.

BBC: CNOOC takeover of Nexen approved by US regulator