U.S. Stock-Index Futures Fluctuate, Newmont, Freeport Drop

U.S. stock-index futures fluctuated, with the Standaextrac iron ore with magnetic separation equipmentpage3rd & Poor’s 500 Index poised for second week of gains, as former Federal Reserve Chairman Alan Greenspan said the U.S. may soon face higher borrowing costs.

Newmont Mining Corp. and Freeport-McMoRan Copper & Gold Inc. led a decline among raw-material producers as copper dropped in London. Southwestern Energy Co. may retreat after Goldman Sachs Group Inc. removed the shares from its “conviction buy” list. Transocean Ltd., the owner of the Deepwater Horizon rig involved in the largest U.S. oil spill, rallied 5 percent in Germany. Futures on the S&P 500 expiring in September lost 0.1 percent to 1,111 as of 7:17 a.m. in New York, after earlier rising 0.2 percent. Dow Jones Industrial Average futures fell 0.1 percent to 10,367, while Nasdaq-100 Index futures rose less than 0.1 percent to 1,910. “Markets will remain constrained because consensus growth estimates are already very optimistic” for...