Stocks to watch on the Australian stock exchange early on Tuesday:

COH – COCHLEAR LTD – up 70 cents at $57.95

Ear implant manufacturer Cochlear has led its workers “down the garden path” by refusing to negotiate improved conditions, a union says.

CPB – CAMPBELL BROTHERS LTD – up $1.23 at $63.01

Share market darling Campbell Brothers is expanding its food testing operations with a $39 million acquisition in the United Kingdom and Ireland.

DJS – DAVID JONES LTD – in trading halt, last traded at $2.73

Upmarket department store operator David Jones will post a 15 to 20 per cent dip in first half profit, in line with its earlier guidance, amid tough headwinds facing the retail sector, analysts expect.

EGP – ECHO ENTERTAINMENT GROUP LTD – up three cents at $4.41

NSW Tourism Minister George Souris says he knows nothing about the latest sackings at The Star casino and he hasn’t acted improperly.

GNS – GUNNS LTD – Shares in suspenion, last traded at 16 cents

Embattled Tasmanian timber company Gunns has admitted it could have lost a major investor because of social concerns.

IAG – INSURANCE AUSTRALIA GROUP LTD – up six cents at $3.41

Insurance Australia Group (IAG) will raise $350 million through the issue of new hybrid shares.

MAK – MINEMAKERS LTD – up 1.5 cents at 29.5 cents

Minemakers has rejected reports that Indian state-owned miner NMDC is poised to buy all of its rock phosphate reserves, saying it is only in talks to sell half and for a lot more than flagged.

QAN – QANTAS AIRWAYS LTD – up one cent at $1.775

Unions want guarantees from Qantas about the future of its Australian heavy maintenance workforce as the airline plans to consolidate its operations.

TEN – TEN NETWORK HOLDINGS LTD – up two cents at 84 cents

Ten Network is considering selling its outdoor advertising business EYE Corp.

WPL – WOODSIDE PETROLEUM LTD – down 23 cents at $34.97

Several Woodside Petroleum oil fields off the West Australian coast remain suspended from production following Tropical Cyclone Lua.