Bicycles and outdoor toys distributor Tandem (TND:AIM) pedals up 43% to 111.5p after flagginga continuation of last year's second-half recovery, with first quarter sales 'well ahead' year-on-year. Calendar 2013 figures from the leisure goods minnow, which has clinched new toy licences for Star Wars and Angry Birds, reveal improved taxable profits of £823,000 (2012: £768,000) on sales off 2% at £28.4 million.

New float Canadian Overseas Petroleum (COPL) has made a strong start on its London debut- at 17.5p up 30% on the 13.5p at which it raised money. Read this story for more details on the investment case.

Regional airline Flybe (FLYB) continues its turnaround success with the shares rising 3.4% to 146p after revealing6% growth in passenger volumes to 1.6 million in the fourth quarter despite a 4% reduction in capacity. We take a closer look at the recovery story here.

Although new IPOs continue apace, there are a few cracks appearing. Two companies have today scrapped their planned listings. Israeli digital advertising group Matomy Media has decided not to join the main market, saying it couldn't meet the requirements to qualify for a Premium Listing, namely having at least 25% of shares held by investors in the European Economic Area. It says investor interest was too broad, geographically. Subscription TV channel operator Nation Media has binned its Aim listing after numerous delays. Former Sky finance boss Richard Brooke has quit as chairman which may have diluted the Box Nation broadcaster's attraction to potential investors.

Another positive trading update from multi-utility Telecom Plus (TEP) sees the shares rise 23p to £17.92 as distributor numbers soar. Management hopes to accelerate growth with customer demand high. Here's our latest view on the stock.

Gold producer Medusa Mining (MML) falls 4.2% to 104.38p after announcingplans to delist from the London Stock Exchange and keep a sole profile on the Australian market. The company has long neglected the UK market in terms of promoting the stock, so it doesn't come as too much of a surprise.

Royal Bank of Scotland (RBS) improves 0.3% to 318.1p on naming former Credit Suisse investment banker Ewen Stevenson as its finance director.

Speciality pharmaceutical Clinigen (CLIN:AIM) falls 1.9% to 554p as it secures£35 million of debt to drive organic and acquisitive growth.

Flexible office and warehousing provider Workspace (WKP) slips 1.6% to 587.5p on sellingthe residential part of its mixed use development at Bow Enterprise Park, London to Peabody Enterprises for £11 million.

X-ray technology developer Kromek (KMK:AIM) jumps 18.5% to 48p after sealingan extended contract in China in medical imaging. That's a welcome boost after the company's recent revenue warning that almost halved the share price just six month after its IPO.

Aim-quoted Frontera Resources (FRR:AIM) gains 13% to 0.71p as it flagsthe commencement of gas production from its Mtsare Khevi development in Georgia. The milestone is achieved following the construction of a 14 kilometre pipeline and output commences at 2 million cubic feet per day.

Cameroon gas producer Victoria Oil & Gas (VOG:AIM) falls 4.7% to 1.01p as it announceswork has begun on a gas pipeline extension beyond its current operations in Douala, Cameroon. The pipeline will cross beneath the Wouri river and connect to the neighbouring port town of Bonaberi. The group is also in discussions with possible partners for a compressed natural gas project.

Breedon Aggregates (BREE:AIM) rises 0.3% to 46p after the UK's largest independent aggregates business acquiresAggregate Industries' ready-mixed concrete plant at Clearwell quarry in Gloucestershire.

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Issue Date: 04 Apr 2014