Everything you could ever want to know about Walmart

Walmart remains in full blown communications mode, and next week it rolls out the big gun when president and CEO Mike Duke is scheduled to participate in the Barclays Capital 2011 Retail and Restaurants Conference at 1 p.m. EST on Tuesday, April 26.

Duke’s appearance comes just a few days before the end of the first quarter, so don’t count on gleaning any insights into Walmart’s current performance from his comments. Walmart doesn’t do guidance updates, and with first quarter results scheduled for release just a few weeks later on May 17 it isn’t likely to start now.

Instead, investors able to attend the live event or those listening via webcast are likely to get a heavy dose of broad brush strokes about an ongoing commitment to growth, leverage and returns, a renewed emphasis on EDLP and U.S. same-store sales and the state of the consumer. However, Walmart knows investors who participate in such conferences expect more than what they could get from reading the companies annual report, so here’s hoping he sheds some light on the timing of the opening of the first Walmart Express stores or the significance of this week’s acquisition of the social media company Kosmix.

Duke’s participation in the event rounds out a busy spring season of appearances at investors events and other conferences by Walmart’s top executives. March was a particularly busy month, with Walmart international president and CEO D