Prices for all classes of stocker and feeder cattle posted gains during March, according to Drovers’ 50-market auction summary. Steer calves jumped more than $8 higher, recording their highest prices in 18 months. Prices for steer calves weighing 400 to 500 pounds averaged $122.82 per hundredweight during March, a gain of $2.36 per hundredweight. Yearling steers weighing 600 to 700 pounds increased $2.22 per hundredweight to $104.72. Heifer calves weighing 400 to 500 pounds gained $2.31 per hundredweight to $108.82. Yearling heifers weighing more than 600 pounds averaged $91.46 per hundredweight, an increase of 63 cents per hundredweight during March.