The best performers of the session on the S&P/ASX 200 were A2 Milk Company Ltd (ASX:A2M), which rose 14.55% or 0.74 points to trade at 5.79 at the close. Meanwhile, Appen Ltd (ASX:APX) added 9.23% or 0.03 points to end at 0.35 and Reliance Worldwide Corporation Ltd (ASX:RWC) was up 5.67% or 0.25 points to 4.66 in late trade.