Reactions to Jerome Powell's comments at Jackson Hole. Walmart, Home Depot and retail earnings. Palantir declines.

Fed Chair Jerome Powell is set to deliver what almost certainly will be his last keynote address at the central bank's annual conclave during one of the most tumultuous times in its history. Amid several controversies,

Wall Street's main indexes climbed on Friday following a recent string of losses as investors awaited U.S. Federal Reserve Chair Jerome Powell's address at the Jackson Hole Symposium for insights into the interest-rate path.