NEWMARKET, UK--A marker in bloodstock history was plunged firmly into the ground at Tattersalls on Wednesday, when those present at Park Paddocks bore witness to the highest-grossing day of horse trade that has ever taken place in Europe. An eye-watering sum of 49,545,000gns was spent on 144 yearlings throughout the eight-hour session, including the most expensive yearling in the world this year--a colt by Frankel (GB) sold for 2.8 million gns. He was one of eight bought for seven-figure sums, bringing the number of million-plus youngsters from the first two...