Stocks of interest on the Australian Securities Exchange on Friday:

OSH – OIL SEARCH – 13 cents, or 1.7 per cent, at $7.58

Oil Search holds its annual general meeting in Port Moresby on Friday.

PDN – PALADIN ENERGY – down 0.5 cents, or 1.43 per cent, at 34.5 cents

Paladin Energy issues a trading update on Friday.

RMD – RESMED – down $1.52, or 18.42 per cent, at $6.73

Resmed shares have plunged after it warned a trial of one of its sleep disorder therapies increased the risk of fatal heart attacks.

SYD – SYDNEY AIRPORT – down 12.0 cents, or 2.27 per cent, at $5.16

Sydney Airport won’t make a decision on whether to take up its right to construct a second airport at Badgery’s creek until 2016.

WFD – WESTFIELD CORPORATION – up 11.0 cents, or 1.2 per cent, at $9.31

Westfield Corporation lifted specialty retail sales 5.7 per cent across its international shopping centres during the first quarter of 2015.