But the regulators have recently started insisting that the banks revalue their portfolios to match market prices at the end of each fiscal year, making the banks' balance sheets highly vulnerable when share prices fall.
In the past I never learned a single line until after rehearsals had started, preciously insisting that the learning must be organic, must take place naturally, as each day's understanding of the play and character grew.
Though she insists words have started to elude her, just in the last six months - 'I do get stuck for names, like a donkey before a gate, in the middle of a sentence' - nothing stalls her today.
Over the past couple of months, a small number of British adult entertainers have started to run what they insist are genuine competitions.
They started insisting that we have sex with them, saying awful stuff like, "Put it in my culo, put it in my mouth, put it wherever you want, baby".
But in recent months, many have started supporting the uprising although they insisted the opposition to the regime should be peaceful.
But he was criticised for being naive about Syria when he continued to speak in positive terms about President Assad for several weeks after the Syrian revolution had started and insisted that President Assad would be able to reform.
The Portuguese had started out by insisting on being given preferential treatment in every aspect of the trade.
So have a cocktail to start, insisting that you will order food only when you've had it.
Manchester United's new manager David Moyes has started his reign by insisting unsettled striker Wayne Rooney will not be sold.
