Nov 6 (Reuters) -Prices of London-listed base metals declined on Wednesday as the U.S. dollar rallied, while early results from the U.S. presidential election indicated a tight race.

Three-month copper on the London Metal Exchange (LME) CMCU3 fell 0.8% to $9,665.5 per metric ton by 0134 GMT after hitting a three-week peak on Tuesday.

LME aluminium CMAL3 eased 0.5% to $2,648 a ton, nickel CMNI3 dipped 0.1% to $16,100, zinc CMZN3 lost 1.1% at $3,068, lead CMPB3 decreased 0.3% to $2,022 and tin CMSN3 slipped 0.5% to $32,200.

Polls are closed in 25 U.S. states as of 0100 GMT. Republican Donald Trump will win eight states, while Democrat Kamala Harris will capture three states and Washington, D.C., Edison Research projected, although the outcome remains uncertain with critical battleground statesunlikely to be called for hours or even days.

The dollar index =USD was up 0.9%, making greenback priced-metals more expensive for other currency holders. USD/

Meanwhile, China is considering more than $1.4 trillion in extra debt over the next few years, a fiscal package that is expected to be further bolstered if Trump wins the presidential race, sources said.

A meeting of the standing committee of China's National People's Congress, concluding on Nov. 8, is being closely watched for stimulus cues.

China is the biggest consumer of base metals.

Analysts and traders have also noted that a potential second term for Trump could lead to the reintroduction of tariffs, which might negatively impact global base metals trading.

While the most-traded December copper contract on the Shanghai Futures Exchange (SHFE) SCFcv1 firmed 0.2% to 77,590 yuan ($10,883.56) a ton.

SHFE aluminium SAFcv1 added 0.7% at 21,085 yuan a ton, nickel SNIcv1 gained 1.3% to 125,680 yuan, zinc SZNcv1 rose 0.9% to 25,070 yuan, tin SSNcv1 inched up 0.3% to 262,840 yuan, while lead SPBcv1 decreased 0.7% to 16,680 yuan.

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Reporting by Ashitha Shivaprasad in Bengaluru; Editing by Sumana Nandy

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