Corn prices shot up Tuesday, pulling prices for other key crops higher.
Corn jumped more than 4 percent, rising 21.25 cents to $5.2175 per bushel. Wheat rose more than 2 percent, up 14.5 cents to $6.775 per bushel. Soybeans were up almost 2 percent, rising 24 cents to $12.7625 per bushel. That followed price gains for all three crops on Monday, including jumps of about 2 percent for corn and soybeans.
In metals, gold, silver, palladium and platinum were all up but only slightly. All the gains were less than 1 percentage point.
Gold for September delivery rose $11 to $1,246.50 per ounce. September silver edged up 10 cents to $19.138 per ounce. September palladium rose $1.95 to $697.35 per ounce. October platinum was up $6.60 to $1,368.60.
Copper for September delivery was the outlier. It dipped 3.5 cents, or just more than 1 percent, to $3.0645 per pound.
Oil prices rose slightly. In New York, U.S. benchmark crude for August delivery gained 39 cents to $103.53 a barrel. The price has remained steady this week after rising last week amid political turmoil in Egypt. Brent crude rose 38 cents to $107.81 in London.
In other energy trading, wholesale gasoline added 4 cents at $2.93 a gallon, and heating oil gained 1 cent to $2.99 per gallon.
Natural gas fell 8 cents to $3.66 per 1,000 cubic feet.