The Supreme Court largely affirmed Monday the legitimacy of an accounting regulator created by a post-Enron antifraud law, striking down only a minor provision of  it.

The Public Company Accounting Oversight Board was established in 2002 as part of the Sarbanes-Oxley law, which Congress passed after the Enron Corp.  scandal exposed a wave of accounting chicanery used by some companies to pump up their stock prices during the late-1990s bull market. Get the full story »