The base metals were mostly in the black on Friday. Copper started up in the pre-dawn hours and kept pushing higher during most of the trading day, finishing barely off its intraday high at $3.8965/lb., up 5 cents.

The base metals were mostly in the red on Tuesday. Copper tumbled during the early part of the New York session, but rallied strongly from there to regain most of the lost ground and finish at $3.7999/lb., down a penny from Friday.

The base metals were mostly in the red on Wednesday. Copper was erratic, bouncing all over during the day, but ended up sliding somewhat, finishing at $3.8102/lb., down 3 cents.

The base metals were mostly higher on Tuesday. Copper pushed higher in the pre-dawn hours, but then dropped in New York, rallying slightly at the end to finish at $3.7897/lb., down a bit less than a penny.