Major business events and economic events scheduled for Tuesday:

WASHINGTON — Commerce Department releases new home sales for March, 10 a.m. Eastern.

Amgen Inc. reports quarterly financial results.

Apple Inc. reports quarterly financial results.

AT&T Inc. reports quarterly financial results.

Delta Air Lines Inc. reports quarterly financial results.

Discover Financial Services reports quarterly financial results.

DuPont Co. reports quarterly financial results.

Norfolk Southern Corp. reports quarterly financial results.

Reynolds American Inc. reports quarterly financial results.

US Airways Group Inc. reports quarterly financial results.

Yum Brands Inc. reports quarterly financial results.