Join Trevor Yeung of City Index (http://www.cityindex.co.uk/) as he brings you the latest trading floor news on Friday 12th August 2011.<br /><br />- Earlier today, France, Spain, Italy and Belgium imposed bans on short-selling in order to stabilise markets after European banks including Societe Generale hit their lowest level since the credit crisis.<br /><br />- This is particularly important for the US economy because of money-market funds, where millions of households keep their savings heavily invested in European bank debt.<br /><br />- The CAC opened down at around 3085 and US stock index futures slipped 0.8 to 0.9 percent. Whilst on the other hand, the FTSE opened up at approximately 5174 this morning.<br /><br />- In Asia, the Nikkei sank below 9,000, extending further losses sustained in the most volatile week since the March 11 earthquake.<br /><br />Spread betting and CFD trading are leveraged products which can result in losses greater than your initial deposit. Ensure you fully understand the risks.