Ecommerce marketplaces are due to report first quarter earnings this month. eBay will hold a conference call with analysts to discuss earnings on April 22, 2009. eBay's annual stockholders meeting takes place a week later on April 29, 2009 at 8:00 am Pacific at Town Square, 2161 North First Street, San Jose, California 95131. (Link)

Amazon.com will hold a conference call to discuss its first quarter 2009 financial results on April 23, 2009, at 2:00 pm PT. (Link)

Overstock.com is scheduled to release its first quarter financial results on April 22, 2009, during market hours. An accompanying conference call and webcast is scheduled for 3:00 pm Eastern the same day. (Link)

Google will hold its quarterly conference call to discuss first quarter 2009 financial results on April 16, 2009, at 1:30 pm Pacific. Google is holding its annual meeting at corporate headquarters in Mountain View on May 7, 2009 at 2 pm PDT. (Link)