Much happened in recent days while The D&O Diary was away on extended travel. Some of the developments were significant. What follows is a brief summary of the more significant events over the last few days.

Subprime-Related Citigroup Bondholders Action Settles for $730 Million: In what is the second-largest settlement of a subprime and

Though the number of securities class action lawsuit settlement approvals reached a 14-year low in 2012, aggregate and average settlement amounts increased compared to 2011, according to the annual securities suit settlement report of Cornerstone Research. The report, which is entitled “Securities Class Action Settlements: 2012 Review and Analysis,” can be found here. Cornerstone

Plaintiff law firms continued to file lawsuits in connection with virtually every mergers and acquisitions transaction in 2012, according to an updated report from Cornerstone Research. The February 2013 report, which is entitled “Shareholder Litigation Involving Mergers and Acquistions” and which was authored by Robert M. Daines of Stanford Law School and Olga Koumrian of

In a much anticipated ruling in the Amgen securities class action litigation, the U.S. Supreme Court, in a 6-3 majority opinion written by Justice Ginsburg, held that a securities plaintiff is not required to prove that the allegedly misleading statements are material as a prerequisite to class certification. Justice Thomas, Scalia and Kennedy dissented. A

I am sure many readers were disturbed as I was by the February 19, 2013 New York Times article reporting that a Chinese army unit apparently has been executing a concentrated cyber-hacking program targeting U.S. companies and critical U.S. infrastructure. (The report of consulting firm Mandiant that was the basis of the Times article can be

In what may be the largest settlement ever in securities class action litigation involving a pharmaceutical company, Merck has agreed to a combined settlement of $688 million to settle two related securities class action cases. The company’s February 14, 2013 press release announcing the settlements can be found here.

The lawsuits relate to