NEWMARKET, UK—After the giddy commerce of the previous day, with its six-figure average, the third session of mares at the Tattersalls December Sale as usual catered to prospectors at a rather lesser level. What gives them a chance, of course, is that their perspicacity can redeem their relative lack of resources. Certainly they must be relieved that many of the bigger players had left town. Those who had deigned to stick around did so largely for the second tranche of the Juddmonte draft, as dusk fell, but few were in...