Today, the Alternative Investment Market (AIM) lost 0.08 percent, or 0.73 points, coming to rest at 859.37 points. While that is fairly small move, the share prices of a number of AIM-listed companies saw sizeable jumps today.

For instance, Paragon Diamonds (LSE:PRG) gained 11.8 percent, or GBP0.53, to trade at GBP4.50. The company’s main focus is two diamondiferous kimberlites located in Lesotho, but it also operates in Zambia, Botswana and Tanzania.

Highland Gold Mining (LSE:HGM) also gained today, rising 9.86 percent, or GBP7.69, to trade at GBP78. It is establishing a portfolio of gold projects in Russia, but also produces other metals at polymetallic projects in the same area.

Not faring so well was African Copper (LSE:ACU), which today lost 11.11 percent, or GBP0.11, to trade at GBP1. At the moment, African Copper is engaged in exploring, developing and mining copper deposits in Botswana, particularly the Mowana mine, which has its own copper-processing facility.