High levels of volatility in global stock markets last week, triggered by Standard & Poor’s downgrade of U.S. debt and concerns over the euro zone, led to the third-highest number of daily trades at the London Stock Exchange.

There were 1.54 million trades carried out on the LSE on Tuesday, Aug. 9, according to data from the U.K. exchange operator. This amounted to almost three times the average daily trading volume so far this year, which had been around 642,000 trades per day to the end of July.

Full article available @:

http://online.wsj.com/article/SB10001424053111903639404576514180786717862.html?mod=rss_whats_news_us&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+wsj%2Fxml%2Frss%2F3_7011+%28WSJ.com%3A+What%27s+News+US%29&utm_content=Google+Reader