Company news Logistics software company, Getswift (ASX:GSW) shares have been voluntarily suspended until it responds to the ASX's queries. Its shares will come out of suspension once Getswift responds to the ASX by tomorrow (Thursday 25 January 2018). Prior to being in suspension, it's shares were in a halt after the AFR published a story about it allegedly losing materially significant contracts. Its shares last traded on 19 January 2018 at $2.92. Australia and New Zealand Banking Group (ASX:ANZ) is completing part of its $1.4 billion buy back. Over the last two business days it has bought back about $99 million shares. A share buyback is simply an offer a company makes to its shareholders to buy back some of its own shares, either off-market or on-market. Shares in ANZ are trading 0.6 per cent higher at $28.89. Best and worst performers The best performing sector is utilites adding 0.95 per cent to 8,003 points while the worst performing sector is materials, shedding 0.5 per cent to 11,705 points.