April’s red-hot stocker/feeder markets turned to a fizzle during May. Prices for all classes of stocker and feeder cattle slumped after a six-month rally. Calf and yearling prices declined $4 to $10 per hundredweight, according to Drovers/CattleNetwork’s exclusive 50-market auction summary. Steer calves weighing 400 to 500 pounds saw average bids of $150.10 per hundredweight, a decline of $10.14 from April. Yearling steers weighing 600 to 700 pounds lost $4.74 per hundredweight to average $132.92. Heifer calves sold for an average of $133.76 per hundredweight, a drop of $8.78. Yearling heifers weighing more than 600 pounds saw average bids of $116.57 per hundredweight, a loss of $3.88.