Grain markets continued their upward momentum on Tuesday, led by a surge in Soybean futures. The November contract reached a three-year high, jumping 29 3/4 cents to 1317'6 as good-to-excellent crop ratings dropped to 58%. December Corn futures added 8 1/4 cents to settle at 546'0 following stronger-than-expected weekly export inspections of 1.49 million metric tons. Meanwhile, December Wheat futures gained 8 1/2 cents to close at 782'4, supported by solid export demand and ongoing spring wheat harvest progress.