METALS-Copper heads for small weekly loss as strong dollar drags
* SocGen sees copper floor at $4,500 on oil, currency drop
* China nickel premiums jump as country shuts old NPI plants
* Lead enquiries pick up in Asia from secondary producers
* Coming Up: U.S. Nonfarm payrolls Feb at 1330 GMT (Adds official midday prices)
By Maytaal Angel
LONDON, March 6 (Reuters) - Copper headed for a weekly loss on Friday as the dollar rallied ahead of the monthly U.S. jobs report and signs of lacklustre demand in top consumer China.
The dollar hit an 11-year high against major currencies on Friday as investors bet the U.S. jobs report would raise chances of interest rate hikes.
A strong dollar makes dollar-priced metals costly for non-U.S. investors.
In China, equities fell as investors digested comments by top officials that highlighted growth and debt challenges the country faces this year. Continued...