TECK - Copper rally cools as miners lock in higher prices December, 12 2019 11:57 AM Teck Resources Ltd Copper prices pause after racking up six straight sessions of gains as miners hedged to take advantage of the highest prices since July.More news on: Freeport-McMoRan Inc., Southern Copper Corporation, Teck Resources Limited, Commodities news, News on ETFs, Read more ...