Class-action bans do that by preventing large numbers of people from suing, and making it harder for those who can file on an individual basis to recover for their injuries.
The federal regulator says it expects to file another 5 to 10 lawsuits in order to recover assets that were lost when five now-failed federal credit agencies bought these securities.
Rather than simply deleting files - which could then be undeleted - the worm resets the file size to zero bytes, making them much more difficult to recover.
When solar equipment manufactures began posting big losses during 2011, forcing some to close factories or even file for bankruptcies, many of them wondered: when will the market recover?