* Investors look to Trump speech for clarity on economic
* Metals markets looking for big U.S. infrastructure spend
* Supply stoppages at major copper mines support copper
(Adds comment, updates prices)
By James Regan
SYDNEY, Feb 28 Copper slipped on Tuesday as
investors took profits, with investors looking towards a speech
by U.S. President Donald Trump for more clarity on his economic
But persistent concerns over supply from large mines in
Chile and Indonesia limited the decline.
Three-month copper on the London Metal Exchange was
0.04-percent lower at $5,908.50 a tonne at 0700 GMT,
backtracking from an intraday high of $5,944.
The most-traded copper contract on the Shanghai Futures
Exchange finished down 0.27 percent at 47,740 yuan
($6,952) a tonne.
Investors are waiting for a speech by Trump on Tuesday for
signals on tax reform and infrastructure spending.
A strike at the Escondida copper mine in Chile, the world's
largest, appeared far from ending on Monday as the conflict
neared its third week, with the union denying a news report that
it had returned to talks with mine owner BHP Billiton
Elsewhere, shareholders are pressuring miner
Freeport-McMoRan Inc to stand up to the Indonesian
government over changes the Southeast Asian country wants to
make in the U.S. miner's contract, with output halted at a giant
"Copper was stronger for most of the day, which opened
things up for profit-taking, which knocked prices back," said a
trader in Perth in Australia who did not want to be identified.
Aluminium eased 0.03 percent to $1,893 a tonne and
zinc gained 0.17 percent to $2,811
London zinc prices have nearly doubled over the past
13 months and are closing in on nine-year highs, but signs of
tightening in the global market for refined zinc means the rally
may have further to run.
Tin was up 1 percent at $19,200 a tonne, while
nickel slipped 0.9 percent to $11,025 a tonne.
In ShFE trading, nickel was up 0.52 percent, with
zinc 0.13-percent lower.
Three month LME copper
Most active She copper
Three month LME aluminium
Most active She aluminium
Three month LME zinc
Most active She zinc
Three month LME lead
Most active She lead
Three month LME nickel
Most active She nickel
Three month LME tin
Most active She tin
($1 = 6.8674 Chinese yuan renminbi)
(Reporting by James Regan; Editing by Joseph Radford)