9:30 am ET - Stock market plunge hearing - The Senate Banking, Housing and Urban Affairs Committee will hear testimony about the sudden plunge in stock prices on May 6.

10:00 am ET - Toyota recall hearing - A House Commerce subcommittee holds a hearing on how Toyota handled the recall of numerous vehicles due to safety issues. 

10:30 am ET - Gulf Coast oil spill aid briefing - Sen. Mary Landrieu, a Louisiana Democrat, briefs reporters on her proposed oil disaster aid package for Gulf Coast businesses and communities.

11:00 am ET - Calderon's message to Congress - Mexican President Felipe Calderon addresses a joint meeting of Congress during his state visit.

1:00 pm ET - White House briefing - The White House holds its daily briefing with reporters.

2:00 pm ET - Mine safety hearing - A Senate subcommittee holds a hearing on preventing another mining disaster.