(Updates prices)
* Palladium scales record high of $2,306.75/oz
* Platinum hits highest since January 2018
* SPDR Gold holdings rose 0.4% on Wednesday
By Sumita Layek
Jan 16 (Reuters) - Gold prices edged lower on Thursday, as optimism over a preliminary trade deal between the United States and China increased risk appetite, although concerns about tariffs and unresolved core issues remained.
Among other precious metals, palladium scaled a record high, while platinum jumped to its highest in nearly two years.
Spot gold XAU= fell 0.2% to $1,552.69 per ounce by 0752 GMT. U.S. gold futures GCv1 eased 0.1% to $1,553.10.
The much-awaited Phase 1 trade deal was signed by U.S. President Donald Trump and Chinese Vice Premier Liu He on Wednesday, defusing an 18-month-long row that has roiled global markets. in mid-December that a deal would be forthcoming had sparked a strong rally in riskier assets.
"We are seeing a slight pullback in gold prices as markets are relieved that a first phase of the trade deal is signed," said Ajay Kedia, director at Kedia Advisory in Mumbai.
Further weighing on gold prices, world stocks scaled record levels as investors cheered the trade deal. MKTS/GLOB
However, analysts said the deal failed to address structural economic issues that led to the conflict, did not fully eliminate the tariffs that have slowed the global economy, and set hard-to-achieve purchase targets. people are disappointed because Trump didn't gain much from the deal, compared to the huge uncertainty that he imposed on the U.S. economy, farmers and workers," said Margaret Yang Yan, a market analyst at CMC Markets.
Bullion, considered a safe asset in times of political and economic uncertainty, gained 18% last year on the back of the tariff war and its impact on global economy.
"No question the detente is favourable for risk, but the agreement won't change the Federal Reserve's outlook and if anything, it could lead Chair (Jerome) Powell to cut rates as the economic impulse from the Phase 1 deal could be meek," Stephen Innes, a market strategist at AxiTrader, said in a note.
On Wednesday, the Fed expressed confidence that borrowing costs are at the right level to sustain growth and lift inflation to healthier levels. interest rates reduce the opportunity cost of holding non-yielding bullion.
Holdings of the world's largest gold-backed exchange-traded fund SPDR Gold Trust GLD rose 0.43% to 878.32 tonnes on Wednesday. GOL/ETF
Palladium XPD= gained 1.5% at $2,298.04 an ounce after hitting a record peak of $2,306.75 earlier in the session.
Platinum XPT= was down 0.5% to $1,014.64 after hitting its highest since January 2018 at $1,027.44 earlier, while silver XAG= shed 0.7% to $17.86 per ounce.