The U.S. Supreme Court has just ruled upon the Amgen v. Connecticut Retirement Plans and Trust Funds case. The securities-fraud case was brought by shareholders that alleged Amgen misled them concerning the dangers of particular drugs that it manufactured. Amgen claims that this information was already well known.
Shareholder derivative suits are often filed when certain investors in a company feel that decisions made by officers or executives will ultimately be detrimental to the firm. Such a lawsuit was recently filed by shareholders for Dell, Inc., a personal computer manufacturer, with regards to a proposed buyout by the founder of the company.