Data & Analytics

AUSTIN, Texas -- Whole Foods investors got some big news today, not only did the company report that sales for its second quarter rose 12% to $2.4 billion, it announced that is changing its trading symbol to WFM from WFMI effective May 6.

The 13.1% increase in same-store sales Target reported for April was toward the low end of the company’s projection of an increase in the mid-teens, but it doesn’t appear Walmart’s mid-month launch of a new marketing campaign contributed to the weakness.

The Walmart Visitor Center in downtown Bentonville is set to reopen on May 21 after undergoing extensive renovations, which means the new facility will be able to accommodate the thousands of Walmart employees who will descend on the town for the company’s annual meeting on June 3.

NEW YORK — Customers shopped at Costco and BJ’s more often in April as they looked to save money on food and gas, according to results the company’s reported Thursday. Both companies generated same-store sales growth that exceeded analysts’ estimates due in part to an ability to pass through food price inflation to customers.

COLUMBUS, Ohio -- Big Lots reported that sales for its first quarter ended April 30 were $1.2 billion, a decrease of 0.5% compared with $.22 billion for the first quarter of fiscal 2010.  Comparable-store sales for stores decreased 3.6% for the first quarter of fiscal 2011.  

WOONSOCKET, R.I. — CVS Caremark is “off to a good start” in 2011 as first-quarter results registered slightly above guidance for both the retail and PBM businesses, and the retail segment continues to gain share. But what president and CEO Larry Merlo wanted to clarify straight away during Thursday morning’s conference was the company’s commitment to its PBM division, and he outlined its plan to further improve PBM performance.

Irving, Texas -- Michaels Stores has learned that PIN pad tampering may have occurred in its Chicago-area stores and that customer credit- and debit-card information may have been compromised.

The company was contacted this week by banking and law enforcement authorities after some fraudulent debit-card transactions were reported over the weekend. Authorities believe the fraudulent transactions may be linked to legitimate transactions in Chicago-area Michaels stores.

Walmart.com EVP Steve Nave and online grocer Peapod’s COO Mike Brennan are slated to share the stage at Nielsen’s upcoming Consumer 360 conference in Orlando June 20 to 22 during a session moderated by Adam Lashinsky, Fortune’s editor-at-large.