http://anonnews.org/?p=press&a=item&i=795 :
On Friday, April 1, 2011, an Operations Department of Anonymous launched "Operation Want" by providing to the U.S. Securities & Exchange Commission detailed information on the corruption occuring within the NASDAQ OMX Group and their proposed changes to laws that specifically benefit Sweden's Elite Wallenberg Family . . . . NASDAQ OMX Group is valued at over $14 trillion. The makeup of the 15 member Board of Directors has lost their balance between industry, non-industry and public interest. For the past five years there has been a power struggle over control and a considerable amount of personal greed. Two of the wealthiest 1% are fighting for ultimate control at the expense of the public trust. The end-game of the struggle within NASDAQ OMX will result in a Swedish-based cartel, which will prevent majority voting abilities within the world's largest global financial trading body. . . . (more at link)
and
http://issuu.com/anonopwant/docs/secanonopwant?mode=a_p (can't copy any of it, but this is their letter to the SEC and sheds additional light. Basically, they're saying that the NASDAQ board is supposed to be 1/3 non-industry representatives of the public interest but due to lack of SEC enforcement, it's not, and that there's been a slo-mo takeover of Nasdaq by the Wallenberg family, which would be further advanced by a pending proposal to add as another board member an "Investor AB"; that Investor AB's filings have been misleading, etc.
I lack the expertise to evaluate plausibility of these claims; hope someone here can expound.