Algo trading?!

[freddel]

Hi there,

Could someone explain me how this fund can be down minus 25% for one hour and then go back to its day average?!

http://uk.finance.yahoo.com/q?s=VOF.L

Thanks,
Freddy

 

[eusdaiki]

Very simple.

All it takes is for all bids to cancel at once, and then come back.

www.nanex.net has very interesting research plenty of such examples.