Holista Colltech (ASX:HCT) - Managing Director, Dr Rajen Manicka (Left)

" Holista Colltech (ASX:HCT) appoints new chairman and secretary

Biotech Company Holista Colltech (HCT) has appointed a new chairman and a new company secretary.

" Cokal (ASX:CKA) invites contractors to tender for Indonesia project

Metallurgical coal company Cokal (CKA) has invited five contractors to provide tenders to start coal production at the Bumi Barito Mineral (BBM) project

" Telstra (ASX:TLS) loses 6.4 percent in half year net profit

Telstra lost 6.4 per cent in half-year net profits, to 1.2 billion, according to the company half-year report.

" Twenty Seven Co. (ASX:TSC) raises $1.6M

Australian mining exploration company Twenty Seven Co. (TSC) has successfully raised $1.6 million through a share placement.

" Technology Metals (ASX:TMT) to launch a $2.1M capital raise

Mining company Technology Metals Australia (TMT) has received commitments to raise $2.1 million through a placement of fully paid ordinary shares.

" Artemis Resources (ASX:ARV) appoints UK-based Executive Director

Mining exploration company Artemis Resources (ARV) has appointed Alastair Clayton as an Executive Director.

" BetMakers (ASX:BET) teams with Waterhouse on new racing products

Racing technology solutions company BetMakers (BET) has signed an agreement with Waterhouse Group to develop two new wagering products.

" Westpac (ASX:WBC) appoints “mack the knife” as Chairman

Westpac (WBC) has announced John McFarlane will be its new Chairman, replacing Lindsay Maxsted as of April 2.

" Pensana (ASX:PM8) waves goodbye to ASX

Pensana Metals (PM8) has announced a scheme of arrangement to be acquired by its UK counterpart (Pensana Rare Earths) was today approved.

" Santana (ASX:SMI) kicks off drilling at Laos nickel prospect

Nickel explorer Santana (SMI) yesterday commenced the maiden drilling program at its Phu Lon Nickel prospect in Laos.