Spain said it may extend the three month ban, announced today, on short-selling beyond Oct. 23.
The ban, imposed in the wake of heavy losses for Europe's equities markets, applies to any operation on stocks or indexes, but does not affect market makers.
The scale of Spain's economic slump suggests the country is inching ever closer to a full-scale bailout.
There are real doubts about whether or not the Eurozone could actually afford to bail out Spain and what the knock-on consequences for other Eurozone countries would be.
This matters so much to Britain because half of all the business done in this country is done with the Eurozone.
With our economy also shrinking, we can't afford for things to get much worse in Spain.
Spain's economy is shrinking faster than previously thought.
They're having to pay more than ever, more than 7.5%, to borrow from the markets to be able to pay benefits and pensions etc. - more than five times the rate that the UK has to pay to borrow.
The consequence is that the Spanish government is having real problems making ends meet.
Spanish regional governments are now putting up their hands saying, "we are running out of cash, and you need to help us."
It paints a very grim picture that this morning's markets slump suggests is going on.
Increased fears about the Spanish economy have sent markets tumbling.
The euro slid to a two-year low against the dollar today as concerns build that Spain will have to seek a full sovereign bailout.
The beleaguered country's stock market regulator, meanwhile, banned short-selling on all Spanish securities for three months.