Online clothes retailers ASOS (LON:ASC) and Boohoo (LON:BOO) were among the week’s biggest fallers, down 17% and 10% respectively, followed closely by online video platform Blinkx (LON:BLNX) and specialist natural resource firm Sierra Rutile (LON:SRX).
A pair of ‘cleantech’ stocks moved in opposite directions with Renewable Energy Holdings (LON:REH) soaring over 40% as it made apparent progress towards securing planning permission for a wind farm development in west Wales.
At the same time Eco City Vehicles (LON:ECV), which supplies London’s reduced emissions Mercedes Vito taxis, slumped 35% after it issued a profit warning, blaming the controversial Uber app and Mayor Boris Johnson’s environmental proposals for a drop in sales.
Monday stands to be a decisive day for investors in Tangiers Petroleum (LON:TPET), one way or another.
The explorer's shares fell 25% at the start of the week after the secondary target of the TAO well, offshore Morocco, drew a blank.
Drilling continued and by the end of the week Tangiers asked for its shares to be suspended pending results from the primary target. Trading is due to restart next week, presumably once the outcome of the well is known.
San Leon Energy (LON:SLE), at the same time, revealed drilling had begun on its 8.5% owned SM-1 exploration well, also offshore Morocco. Operating partner Genel Energy is expected to take between 60 and 90 days to drill the well.
Gulfsands Petroleum (LON:GPX), up 12% this week, has already enjoyed success in Morocco as its Lalla Yetou Updip-1, or LTU-1, well found gas as hoped. The well, which has already been designated as a future producer, flowed at an estimated rate of 6.6mln cubic feet per day.
Friday welcomed another new oil entrant to AIM with Savannah Petroleum (LON:SVP) making a premium AIM debut - trading up to 64.55p from a 56p placing price.
It raised £29mln to advance exploration on a materially de-risked permit in Niger, where drilling could prove prolific. Here, as a western company it is an early mover. Earlier this month it secured the R1/R2 permit area, around one and half times the size of Wales, which was part of a much larger permit called Agadem.
The R1/R2 area was relinquished by China’s CNPC as it advanced oilfield developments in the surrounding areas.
Dutch commodities firm Trafigura raised some eyebrows as significantly increased its stake in Spanish copper mine developer EMED (LON:EMED), buying 202mln shares at a premium to take its holding to 18.18%.
Trafigura, which has operations close to EMED’s Rio Tinto mine rehabilitation project in Andalucia, has previously been speculated as a potential acquirer of EMED, however, it claimed the shares were bought for investment purposes.
Mine developer DiamondCorp (LON:DCP) revealed commercial production at the Lace project could potentially be brought forward by six months, kicking off with steady state mining of 30,000 tonnes per month from a high grade kimberlite by the second quarter of 2015.
Ariana Resources (LON:AAU) is also moving ever closer to first production after securing a financing package to bring its Kiziltepe gold and silver mine online.
Zenit, the joint venture between Ariana and Proccea Construction that will build and run Kiziltepe, has signed a credit agreement worth US$33 million in total with Turkish investment bank Turkiye Finans Katilim Bankasi.
Proccea will also inject US$5mln to take its stake in the project up to 50%.