By Anmol Choubey
Aug 20 (Reuters) - Gold edged higher on Wednesday but remained near a three-week low as the dollar strengthened, while investors awaited the Federal Reserve's Jackson Hole symposium later this week for potential signals on monetary policy.
Spot gold XAU= was up 0.2% at $3,321.83 per ounce, as of 0601 GMT, after reaching its lowest level since August 1.
U.S. gold futures GCcv1 for December delivery rose 0.2% to $3,364.30.
A stronger dollar and improving risk appetite from recent geopolitical developments are weighing on gold prices, with markets looking out for Fed Chair Jerome Powell's speech in Jackson Hole, OANDA senior market analyst Kelvin Wong said.
The U.S. dollar index .DXY climbed to a more than one-week high, making gold less affordable for buyers using other currencies. USD/
Powell is due to speak at the Kansas City Federal Reserve's Jackson Hole symposium on Friday and investors are watching for any clues on monetary policy trajectory.
Minutes of the Fed's July meeting, due later in the day, are anticipated to offer further insights into the central bank's policy stance.
"The macroeconomic backdrop is likely to turn supportive, with Fed resuming its interest rate cuts from September. Higher tariffs will impact economic growth, keeping investment strong for gold," ANZ said in a note.
Gold typically performs well in a low-interest-rate environment and amid heightened uncertainties.
Meanwhile, U.S. President Donald Trump ruled out deploying ground troops to Ukraine on Tuesday but suggested air support could be part of a deal to end Russia's war in the region.
Ukrainian President Volodymyr Zelenskiy hailed the White House talks as a "major step forward" towards ending Europe's deadliest conflict in 80 years and setting up a trilateral meeting with Russian President Vladimir Putin and Trump.
Elsewhere, spot silver XAG= fell 0.5% to $37.20 per ounce, platinum XPT= gained 0.6% to $1,314.25 and palladium XPD= was down 0.6% to $1,108.25.
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