Galliford Try's housing completions rose by 28% to 851 units; 779 net of joint venture partners' share (2009: 663 and 638) in the half year to December. Housing reservations are up by 11% to £359m.Construction saw order books maintained at £1.75bn. "While remaining cautious in the short term, the Group is confident in its strategy for delivering the objectives of its expansion plan," chief executive Greg Fitzgerald commented.Transactional fees in the UK being deferred into 2011 and a disappointing performance from its subsidiary in Spain, means estate Colliers International expects to report a full year normalised EBITDA loss of around £1.5m. "The strongest performance in the second half came within our core UK business, while Ireland swung to an underlying profit," it said. Orosur Mining's profits rose to $2.7m in the three months to November. David Fowler, chief executive commented: "We have completed another solid quarter with 12,576 ounces of gold produced. This was in accordance with expectations of between 12,000 and 13,000 ounces. Cash costs per ounce at US$790 were better than expected. Cashflow from operations at San Gregorio was US$ 5.1m this quarter at an average gold price of US$ 1,332 per ounce."IT supplies and services company Datatec expects revenues to be at the high end of its guidance range of $4.1bn and $4.4bn, as its second half ending 28 February has been better than the first and comparatively ahead of last year. "It appears that we are finally returning to a growth environment that we can believe in. Gross margins are firming and profit margins expanding as the Group continues to benefit from increased operational leverage and geographical reach," says CEO Jens Montanana.Banking and wealth management group Arbuthnot Banking's trading in the second half of 2010 was "satisfactory" and it expects profits for the full year to be in line with market expectations. The group says its retail bank Secure Trust Bank is achieving good lending growth, and private banking division Arbuthnot Latham is "is making progress in both its private banking and its wealth management businesses." Sugar-substitute producer PureCircle has a sales pipeline totalling $50m. The group expects to report sales of $13m for the first half to 31 December, and says the sales for 2011 will be second half weighted "including the call-off timing of committed volumes."