22 investment firms paying total US$14.4 million to settle SEC charges of improper short selling
Alert sets out practices found to be effective in detecting and preventing this sort of trading
Companies saw their shares drop more than 10% in one day
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