Aug 21 (Reuters) - U.S. stock index futures slipped on Thursday, as investors stepped to the sidelines and awaited an earnings report from big-box retailer Walmart and clues on the Federal Reserve's next policy move from a three-day conference in Jackson Hole.

This would signify a 10% year-over-year rise in adjusted earnings and a 3% growth in sales compared to last year's figures of 63 cents per

Walmart will report fiscal second-quarter earnings before the bell on Thursday. The largest U.S. retailer warned in May that it would have to raise prices because of President Trump's higher tariffs on imports from other countries.

Investors expect Walmart's management to strike a cautious tone on customer demand as the U.S. labor market cools and inflation ticks up, though the company has outperformed its peers over the last year due to its reliance on grocery sales and wealthier customers shopping there more often.

Tech stocks Palantir, Nvidia, and Intel rise after days of declines. Walmart is scheduled to report quarterly earnings Thursday.

Michigan authorities released footage showing the stabbing spree initially that left 11 people injured at a Traverse City Walmart in July.

When Brian Cornell took the reins at Target 11 years ago, the retailer was, to put it mildly, a mess. Among its many problems: Target was struggling with out-of-stocks that frustrated shoppers, employee morale was low,

The consensus call among analysts tracked by FactSet is that Walmart will post adjusted earnings of 73 cents a share from $175.9 billion in revenue. Same-store sales are projected