National Hunt yearlings were in the spotlight during the third and final session of the Arqana Autumn Sale on Wednesday, and colts by Doctor Dino (Fr) and Martaline (Fr) filled the top five spots on the leaderboard. Topping trade was lot 708, Haras de l'Hotellerie's half-brother to listed winner Joplin (Fr) (Soldier Hollow {GB}) on the flat and Thyme White (Fr) (Anodin) over jumps. He was bought by JH Bloodstock for €97,000. Haras de Montaigu's Martaline colt out of the dual winner Best Exit (Fr) (King's Best) (lot 648) was...