Rio Tinto (NYSE:RTP) is 4% higher, apparently because of rising commodities prices.
BHP Billiton (NYSE:BHP) is up 3%, also due to rising prices for metals.
Ford (NYSE:F) is off 2% on predictions of weak June sales.
Fear of falling car sales is also driving GM (NYSE:GM) down by almost 2%.
Stocks may trade different in the pre-market than they do in the regular session.
Douglas A. McIntyre is an editor at 247wallst.com.










