Stocks to watch on the Australian stock exchange on Monday, August 6

APA – APA GROUP – down four cents at $4.86

HDF – HASTINGS DIVERSIFIED UTILITIES FUND – steady at $2.55

The responsible entity for takeover target Hastings Diversified Utilities Fund (HDF) has stuck by its recommendation that securityholders accept an offer from Pipeline Partners Australia (PPA).

BHP – BHP BILLITON – down 72 cents at $31.30

Investors are questioning the wisdom of BHP Billiton’s bet on unconventional gas after it wrote down the value of its American shale gas assets by $US2.84 billion ($A2.73 billion).

CSL – CSL LTD – down $1.07 at $40.28

The head of blood products and vaccines maker CSL will leave the company in 2013 after 23 years in the job.

OMH – OM HOLDINGS LTD – steady at 41.5 cents

A naming error in a complaint accusing a mining company of desecrating an Aboriginal sacred site has caused a delay in court action.

OSH – OIL SEARCH LTD – down seven cents at $7.00

Oil Search’s loading operations in Papua New Guinea remain suspended after an oil spill that occurred more than a week ago.

RMD – RESMED INC – up 28 cents at $3.30

Sleep disorder equipment supplier ResMed’s annual profit is up 12 per cent due to stronger revenue in the United States.