The Alternative Investment Market (AIM) in London today rose 4.09 points, hitting 804.27 points, with the market reaching a low of 800.26 points and a high of 804.94 points. London shares were pushed up on news that the European Central Bank cut interest rates on Thursday, according to the BBC.

Several companies saw substantial gains on the AIM this week. Aurasian Minerals (LSE:AUM), a UK-based company engaged in mining gold and other minerals, posted a gain of GBP0.175, or 41.18 percent, reaching GBP0.60 today, while shares of Ferrum Crescent (LSE:FCR) rose GBP0.34, or 38.4 percent, to GBP1.21. Meanwhile, Red Rock Resources (LSE:RRR), a mineral exploration company focused on discovering and developing gold and iron ore, also saw gains in share price, rising GBP0.045, or 19.52 percent, to finish at GBP0.275.

On the other side of the coin, two mining companies experienced major losses today. Coal producer and processor Atlantic Coal (LSE:ATC) fell GBP0.03, or 18.18 percent, to reach 0.135, while Thor Mining (LSE:THR), which explores and mines tungsten and molybdenum in Australia, declined GBP0.02, or 11.76 percent, to finish at GBP0.15.