Shares in Victoria Oil & Gas jumped after it announced that an exploitation decree in Cameroon which should result in the company's first gas sales within five months is "imminent."The announcement came as Victoria, which does not yet accrue revenues, said pre-tax losses in the six months to 30 November narrowed to $833,000 from $4.47m in the same period last year.Seismic mapping group OHM will post an interim pre-tax loss in the £1.2m to £1.5m range to 28 February 2011, against a £1.2m loss last time as it completes its reorganisation following the disposal of the marine CSEM businesses. The group is changing its name to Rock Solid Images. Revenues are expected to be about £1.8m for the six months to 28 February compared to £1.7m a year earlier.Conglomerate Melrose has sold three of its smaller businesses - Madico, Logistex UK and Brush Traction - generating aggregate sale proceeds of approximately £20.5m.Property investment group Raven Russia is paying $54.5m to purchase Karta Realty Limited, the ultimate owner of the Southgate warehouse project in the Domodedovo district of Southern Moscow, close to the international airport.The consideration will be satisfied through the issue of up to 25.9m ordinary shares in Raven Russia, with the remainder settled in cash. The purchaser has agreed certain share sale restrictions.The Southgate project comprises a completed Grade A warehouse complex of 76,550 square metres, currently 88% let to John Deere, and 88 hectares of permitted land capable of producing a further 440,000 square metres of completed logistics space once fully developed.