Welcome to the best, worst and just downright embarrassing of Australia's business world in 2017.

Trade of the year

While plenty of people made a fortune speculating on Bitcoin and Amazon, our trade of the year goes to Sydney-based investing guru John Hempton. Hempton took a repeated, very public position against US drug-maker Valeant Pharmaceuticals. Hempton held the position for three years while Valeant’s price continued to rise and US hedge fund figure, Bill Ackman (who was supporting Valeant) described him as “certifiably crazy”.