SEC says exchange failed to enforce rules to prevent abusive short selling
CSA/IIROC working group does not believe that additional measures are needed
FSA adopts temporary prohibition for trading shares in several Italian stocks
Report sets out the proportion of short sales in the total trading activity of each listed security across all equity marketplaces
Restrictions during the 2008 financial crisis reduced risks, but also lowered liquidity and increased price volatility
Report says restrictions during the financial crisis lowered market liquidity and increase trading costs
Rule changes will now all take effect on Oct. 15
The firm, one customer, and four executives are facing allegations
Regulators mulling options for enhancing the disclosure of short sales, and introducing some public disclosure of failed trades
Millions of short sale orders affected