Both Wall Street and the White House will be paying close attention to Fed Chair Jerome Powell’s high-profile speech Friday at the Fed’s annual economic symposium in Jackson Hole, Wyoming

Lawrence G. McMillan is president of McMillan Analysis, a registered investment and commodity trading advisor. McMillan may hold positions in securities recommended in this report, both personally and in client accounts. He is an experienced trader and money manager and is the author of “Options as a Strategic Investment.” www.optionstrategist.com.

Wall Street's main indexes fell on Thursday as investors awaited monetary policy clues from the Federal Reserve's annual economic symposium, while big-box retailer Walmart's quarterly results dampened sentiment.

The U.S. dollar inched upward on Thursday, trading just below a one-week high as investors prepared for the Federal Reserve’s Jackson Hole symposium. By 04:40 ET (08:40 GMT), the Dollar Index, which tracks the greenback against six major currencies,

Gold prices fell on Thursday, pressured by a firmer dollar, while investors looked to the U.S. central bank's annual Jackson Hole symposium later in the day for further policy cues.