Stocks of interest on the Australian Securities Exchange on Thursday:

CKF – COLLINS FOODS – up 51.00 cents, or 13.11 per cent, at $4.40

Franchised restaurant operator Collins Foods has returned to profit after it stopped investing in its struggling Sizzler brand and focused its successful KFC restaurants.

NUF – NUFARM – down two cents, or 0.24 per cent, at $8.49

Crop spray maker and seeds supplier, Nufarm holds its annual general meeting on Thursday.

SPO – SPOTLESS – down 87.5 cents, or 39.77 per cent, at $1.325

Shares in cleaning, catering and maintenance provider Spotless have plunged by more than 40 per cent after it stunned investors with a profit warning.