China said on Sunday it would step up its policy of targeted cuts to banks' required reserve ratios to encourage financing for small and medium-sized businesses that play a key role in economic growth.
In the peak April-May copper consumption season, short position holders are "powerless" as it will be impossible to make a case for weak demand over this period, Chinese brokerage Jinrui Futures wrote in a note.
Production growth in China's air conditioning sector, a big consumer of copper, is set to grow by 7.9 percent this month, it added.
FUNDAMENTALS
COPPER: Three-month copper on the London Metal Exchange rose as much as 1 percent to $6,466 a tonne and was up 0.7 percent at $6,445.50 a tonne by 0406 GMT. It ended down 0.8 percent in the previous session.
COPPER: Global copper producers are converging in Chile this week as tightening supply buoys prices, even as the industry grapples with declining ore quality, project delays and worries the U.S-China trade war may hit long-term demand.
PERU: MMG Ltd said its Las Bambas mine in Peru is expected to restore normal mining, production and transport operations after an indigenous village agreed to end a two-month blockade of the company's copper mine that has supported copper prices.
SHFE: Shanghai Futures Exchange metals were mixed as trading resumed after the long weekend in China. ShFE copper fell 0.5 percent to 49,230 yuan ($7,328.73) a tonne, while aluminium crept up 0.2 percent to 13,820 yuan.
OTHER METALS: Nickel, lead and zinc all rose in London, while tin was the laggard, slipping 0.6 percent to $20,880 a tonne.