Small caps round-up: Minco, Noventa, 2ergo...

Irish miner Minco has raised £1.04m through the issue of just over 35m shares at 3.25p each.It will use the money to fund exploration and drilling at the Pallas Green zinc-lead project on the border between the Irish countries Limerick and Tipperary. The project is held in a joint venture with global mining giant Xstrata's zinc division.Shares in Noventa climbed after the miner said it had found another deposit of tantalum-bearing ore at the Marropino concession in Mozambique. Tantalum is a metal used in electronic equipment and in laboratory equipment.Mobile content software 2ergo's trading has been in line with management's expectations and the board anticipates strong returns on the investment made the business in the coming financial year. "As reported in the group's interim statement, the scale of this overhead increase will be significantly less than the £7.1m initially forecast for the year, the statement added.Investment company Ruffer is to raise up to £50m at a price that will be calculated by applying a premium of 2% to the unaudited net asset value per share at the close of on 10 September. The placing price is expected to be announced on 13 September.