Main activities and economic events scheduled for Tuesday:
WASHINGTON - Commerce Department releases sales for April, 10 a.m..
Medtronic Inc. publishes the quarterly financial results.
WASHINGTON - Hearing of the Senate Banking, housing and urban of the Commission on the future of the housing finance system.
WASHINGTON: The House Oversight and Government Reform Committee hearing on domestic production of oil and gas.
TOKYO - Ford talks about his company to the Japan.
