News bites: Capitol scrutiny

Congressional investigators led by Sen. Chuck Grassley (R-Iowa) are widening a probe into potential insider trading by SAC Capital Advisors.

Banks' outsize role in the housing market might be weighing heavily on that ailing market.

French Finance Minister Christine Lagarde seems to have the inside track to become the next head of the International Monetary Fund.

A Washington Post fact-checker gives the thumbs-up to Rep. Paul Ryan (R-Wis.) on his attacks of President Obama's tax proposal.

The stock market could be in for a rough day today.

But optimists are counting on another rally in the coming months.