Wal-Mart (WMT.US), America's largest retailer, fell 1.25% in pre-market trading on August 21st as the company prepares to release its quarterly earnings report before market open.

According to an LSEG analyst survey, Wall Street expectations for the retail giant are as follows: earnings per share of 74 cents and revenue of $176 billion.

The company previously indicated it expects second-quarter net sales to increase between 3.5% and 4.5%, but refrained from providing earnings guidance for the quarter due to ongoing changes in US tariff policies.