(ShareCast News) - Multi-sector investment company Polo Resources announced on Friday that its investee company, Blackham Resources, has raised AUD 35m through a placement.The AIM-traded firm said the placement was heavily oversubscribed, and received strong institutional support from both existing and new shareholders."The placement proceeds will be used at Blackham's 100% owned 6.4Moz Matilda-Wiluna Gold Operation to fast track its existing growth strategy," Polo's board said in a statement.