(Updates prices)
* Pfizer (NYSE:PFE), J&J make progress with trials, regulatory approvals
* Trump administration proposed $916 bln aid package
* Dovish Fed could re-ignite gold rally- analyst
* Interactive graphic tracking global spread of coronavirus: https://tmsnrt.rs/3mvcUoa
By Asha Sistla
Dec 9 (Reuters) - Gold slid 1% on Wednesday, falling back from the previous session's two-week peak as optimism over COVID-19 vaccine developments led investors to opt for riskier assets such as equities.
Spot gold XAU= was down 0.7% at $1,857.70 per ounce by 1216 GMT, having earlier fallen as low as $1,851.31. On Tuesday it hit its highest since Nov. 23 at $1,875.07.
U.S. gold futures GCv1 slipped 0.8% to $1,859.40.
"The higher risk appetite seems to be gaining the upper hand again, and coupled with the vaccine news, it seems to be weighing on gold prices," said Commerzbank (DE:CBKG) analyst Daniel Briesemann.
While a fresh attempt in the United States to agree on a new fiscal support package supported gold on Tuesday as a hedge against potential inflation, on Wednesday the news acted chiefly as an additional trigger for risk sentiment.
Global equities reached record highs on Wednesday, with the healthcare sector benefiting from positive coronavirus vaccine news. MKTS/GLOB .N .EU
After Britain on Tuesday became the first Western nation to start a mass vaccination drive, Pfizer PFE.N and Johnson & Johnson (NYSE:JNJ) JNJ.N made further progress with trials and regulatory approvals respectively. the stimulus front, U.S. President Donald Trump's administration proposed a $916 billion aid package. Congressional lawmakers were still working on resolving differences on the inclusion of business liability protections and state and local government aid. are also looking forward to the U.S. Federal Reserve's two-day policy meeting next week for clues on the direction of monetary policy.
"A dovish FOMC, particularly in the scenario where they look to cap rates in the longer end of the U.S. yield curve, should relight the gold rally," said Jeffrey Halley, a senior market analyst at OANDA.
Silver XAG= slipped 1.6% to $24.17, while platinum XPT= fell 0.6% to $1,016.21 and palladium XPD= was down 0.2% to $2,305.71.