An unusual trend emerged in August, and it was not the record number of S&P/ASX 200 stocks to swing 5 per cent on results day.

An unusual trend emerged in August, and it was not the record number of S&P/ASX 200 stocks to swing 5 per cent on results day.

Big swings in share prices on results day are throwing up opportunities for fund managers. So we asked what they bought and sold during reporting season.