Today, the Alternative Investment Market (AIM) rose 2.13 points, or 0.24 percent, to 875.41 points. It performed well against the FTSE 100 (INDEXFTSE:UKX), which edged down 0.13 percent as UK markets followed a drop in European trading, notes.

Performing well today was Australian exploration company Black Mountain Resources (LSE:BMZ), which rose GBP2.26, or 39.39 percent, to trade at GBP5.75. Its projects in Western Australia are prospective for uranium, gold and nickel mineralization.

Not faring so well was Minco (LSE:MIO), a UK exploration and development company. It lost GBP0.23, or 9.52 percent, to trade at GBP2.38 today. Sirius Petroleum (LSE:SRSP) also fell today, losing GBP0.23, or 8.7 percent, to trade at GBP2.62. The company explores for oil and gas in many locations, including Nigeria.