Stocks to watch on the Australian stock exchange at the close on Friday:
BHP - BHP BILLITON - up seven cents, or 0.2 per cent, at $33.40
Mining giant BHP Billiton has caved in to shareholder demands to list its yet-to-be-named $US15 billion spin-off in London.
OZL - OZ MINERALS - down three cents, or 0.75 per cent, at $3.96
The head of gold and copper miner OZ Minerals is stepping down more than six weeks before his replacement joins the company.
STO - SANTOS - up eight cents, or 0.6 per cent, at $12.72
Oil and gas producer Santos has lifted production nine per cent to its highest level in seven years, thanks to the ramp-up of the massive PNG LNG project.
VAH - VIRGIN AUSTRALIA HOLDINGS - steady at 37.5 cents
Virgin Australia will pay just $1 to take full ownership of discount carrier Tigerair Australia.
VHL - VIRAX HOLDINGS - up 0.2 cents, or 40 per cent, at 0.7 cents
Biotech firm Virax's shares have jumped 40 per cent after announcing its set to takeover US government funded clinical trials of a drug to treat terminal cancers.