Ariba, Inc. (Nasdaq: ARBA), the leading spend management solutions provider, today announced that it will report earnings for the second quarter of fiscal year 2010 on Thursday, April 29 at 2:00 p.m. PT/5:00 p.m. ET via conference call. A news release with Ariba's financial results will be available after the close of the market on the same day. Click here for more.