The Securities and Exchange Commission (SEC) has approved rules making it harder for overseas firms to list in the US via mergers with shell companies - a move advocated by Fidelity's Anthony Bolton earlier this year.
Standard and Poor's (S&P) has received notice from the Securities and Exchange Commission (SEC) recommending a lawsuit be brought against it over a mortgage-backed security it rated in 2007.
A former Deloitte Tax partner and his wife have been charged with insider dealing by the SEC in the US as part of a joint investigation with the FSA.
The US Securities and Exchange Commission questioned Warren Buffett's Berkshire Hathaway in Q2 on why it was not writing down large losses on shares in Kraft and US Bancorp.
The manager of an AIM-listed China trust - which is held by Fidelity's Anthony Bolton, Baillie Gifford and Henderson - is under investigation by the US regulator.
The SEC has charged two employees of Boston-based State Street with misleading investors over exposure to sub-prime debt.
The US Senate has approved the largest overhaul of financial regulation since the Great Depression, which is aimed at averting a repeat of the recent credit crisis.
The US Securities and Exchange Commission (SEC) has put in place new stock trading restrictions to prevent a repeat of the Dow's dramatic plunge earlier this month.
Goldman Sachs is to "sue for peace" in the fraud trial brought by the SEC over its Abacus vehicle.
The value of Warren Buffett's options to buy Goldman Sachs shares fell by over $1bn after the SEC sued the investment banking giant on Friday.