A son of Siyouni (Fr) fetched a bid of €90,000 from Powerstown Stud to top a session of flat-bred yearlings on Wednesday that marked the third and final day of the Arqana Autumn Sale. The average for the session climbed marginally (2.2%) to €7,968, while the median dipped 4.2% to €5,750. With 19 more horses sold than on the comparable day last year, the aggregate was up 18.2% to €1,115,500, while the buyback rate dropped nine points to 18.1%. Cumulatively, 445 horses–also including National Hunt-bred yearlings and horses-in-training--were sold over...