Shares in Active Energy rose by a tenth Tuesday after the group announced that new contract wins in January will generate revenues in excess of £400,000 for 2011.One significant contract has been secured with the National Physical Laboratory, run by Serco on behalf of the Department for Business, Innovation and Skills. Active Energy will supply five VoltageMaster units, its voltage optimisation product.Compressed air technology developer Corac expects 2010 results to be broadly in line with expectations despite costs of £0.25m from the restructuring of the business. The group said its balance sheet was significantly strengthened by the successful fund raising of £21m in December. Performance materials group Low & Bonar (L&B) has entered into a joint venture with the Saudi Arabia-listed industrial company Alujain for the design, manufacture and sale of geotextile products "for the fast growing civil engineering markets in the Middle East and the Indian subcontinent," L&B says.L&B and National Petrochemical Industrial Company (Alujain's subsidiary) will each have a 50% equity interest in, and shared operational control of, the venture to which they will both contribute £5.4m cash, payable during 2011.Private equity investor Origo Partners' net asset value for the quarter ended 31 December rose 7% to $173.8m compared to the preceding three months, while total investments for the period were $21.3m.Realisations amounted to $21.4m, with the majority attributable to the partial stake in water treatment technology developer HaloSource which completed a flotation on AIM in October. Origo sold 60% of its stake to raise $11m, delivering a 79% uplift on the original investment.