Hobby products play Hornby (HRN) slumps 10% to 72.5p after yet another profit warning haunts the Scalextric supplier. Trading from 1 October to date has been disrupted by supply chain issues, sales for the year to March are below expectations and the company now expects to break-even at an underlying pre-tax level against consensus estimates of a £1.8 million profit.

Royal Mail (RMG) slips 0.26% to 586.5p following the FTSE100 constituent's trading update. We'll take a look at the essential details here.

Flexible office provider Workspace (WKP) rises 0.3% to 569p as its pricing increases and the lettings on its new refurbishments beat expectations in the third quarter. We take a look at analyst reaction to the news in this article.

Mid cap oil firm Cairn Energy (CNE) falls 4.7% to 249.7p as it is contactedby the Indian income tax department to discuss income tax assessments for the year ending 31 March 2007. Cairn has been instructed to hold its 10% stake in Cairn India, worth around S1 billion, while discussions continue.

Cardiff-headquartered bread and cake maker Finsbury Food (FIF:AIM), a running Shares Play of the Week, cheapens 2.74% to 53.25p as it cautionsthat general cost inflation will impact its second half performance. The £36 million cap's first half trading statement flags expectations of year-on-year profits growth, though the cost of raw materials including butter and chocolate are weighing on margins.

Latin American oil firm President Energy (PPC:AIM) gains 10.9% to 45.6p as an independent audit identifiesbillion barrel potential in its Paraguayan acreage. A three well programme to test this potential is expected to kick off in May.

Hydrogen fuel cells technology developer ITM Power (ITM:AIM) leaps 9% to 41.5p after securingwork on a gas project designed to cut energy losses. No financial detail is given but the deal is with industry heavyweights AMEC (AMEC) and National Grid (NG.).

It's been a horrible week for services exchange Blur (BLUR:AIM), its shares slumping another 14% to 533.5p as investors panic over future revenue recognition. We spelled out our Shares' view on Wednesday, but that doesn't change the fact that 2014 gains made following recent key performance indicators have now been completely wiped out.

A trading update yesterday by cloud calls specialist Coms (COMS:AIM) flagging revenue 'significantly ahead of management expectations' saw the shares rise 15% on Thursday, flagged by our technology reporter @SharesMagSteve on Twitter. The stock's run keeps going today, jumping another 13% to 7.1p and prompting some market watchers to call a 10p target.

Restructuring moves are making a difference at contract electronics manufacturer Stadium (SDM:AIM). Its shares rise 7.5% to 50.5p after management revealsbetter trading and 'significantly improved profits' during the second six months to December. Full-year results will be announced 11 March.

e-Therapeutics (ETX:AIM) dives 17.7% to 22p as the company haltsrecruitment into its brain cancer trials due to a drug supply issue. The regulators are being told and those already being treated will continue to be dosed.

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Issue Date: 24 Jan 2014