The best performers of the session on the S&P/ASX 200 were Appen Ltd (ASX:APX), which rose 15.71% or 0.06 points to trade at 0.41 at the close. Meanwhile, Nuix Ltd (ASX:NXL) added 13.08% or 0.22 points to end at 1.95 and ARB Corporation Ltd (ASX:ARB) was up 9.87% or 3.53 points to 39.30 in late trade.