(Changes sourcing, adds background)
Feb 21 (Reuters) - Noble Energy Inc
Feb 21 (Reuters) - Alamos Gold Inc
Feb 21 (Reuters) - Lundin Mining Corp
Feb 21 (Reuters) - Capstone Mining Corp
Feb 21 (Reuters) - Semafo Inc
*
Feb 21 (Reuters) - Alamos Gold Inc
US Cents per troy ounce Spot 2174.00 (2159.00)
Feb 21 (Reuters) - Goldquest Mining Corp
Feb 21 (Reuters) - Newmont Mining Corp
* U.S. Treasury chief Lew tells emerging markets to get house in order
* Lew urges eff