Stocks to watch on the Australian stock exchange:

CMP – COMPUMEDICS – up 23 cents, or 56 per cent, at 64 cents

Shares in Compumedics have soared as much as 70 per cent on Thursday, after the company said it plans to form a joint venture with a China-based health check organisation that will purchase one million of its sleep monitoring devices.

MYO – MYOB GROUP – down 13.5 cents, or 4.4 per cent, at $2.925

RKN – RECKON LTD – down 9.5 cents, or 8.2 per cent, at $1.06

Software group MYOB has dumped a $180 million deal to acquire the Australian and New Zealand assets of Reckon’s Accountant Group.

WPL – WOODSIDE PETROLEUM – up 75 cents, or 2.4 per cent, at $32.42

STO – SANTOS – up 18.5 cents, or 3.3 per cent, at $5.855

OSH – OIL SEARCH – up 19 cents, or 2.4 per cent, at $8.25

ORG – ORIGIN ENERGY – up 17 cents, or 1.8 per cent, at $9.65

Energy stocks are leading the gains on the ASX on Thursday after oil prices rose more than two per cent in offshore trade, bouncing back from a week’s worth of falls, which were sparked by talk of increased output by Saudi Arabia