A profit warningputs an end to the 12-month share price rally in Braemar Shipping Services (BMS). The £118 million cap transport group falls 5.5% to 548p after revealing slower-than-expected contract awards from its US operations. Elsewhere in the business, its shipbroking division is doing well but performance has dipped at its logistics and environmental divisions.

Oil major Royal Dutch Shell (RDSB) slips 2.7% to £22.46 as it warnson fourth quarter profits; we will discuss the warning in more depth here.

A poor start to 2014 troubles William Hill (WMH), down 3.2% to 360.85p. We look at the newsand troubles depressing the share price in more detail here.

A reassuring third quarter trading updatefrom public transport operator FirstGroup (FGP) fails to impress, down 2% to 140.1p. The running Shares Play of the Week also reveals it has been shortlisted for the InterCity East Coast franchise competition by the Department for Transport.

Fibre optic infrastructure company CityFibre (CFHL:AIM) has finally joined Aim after a couple of delays, although the £16.5 million raised is down on its original £25 million funding ambitions. The shares listed at 60p, and rise 12% to 67.25p in early trading.

Recent Aim debutante JQW (JQW:AIM) jumps 16.4% to 78p on a strong full-year trading update. The Chinese B2B e-commerce operator, whose platform connects small and medium sized firms with potential trade partners, now expects to smash the market's RMB 400 million revenue and RMB 127 million pre-tax profit forecasts given strong growth at high margin in calendar 2013.

Investors are still lining up to buy Malaysian big data specialist Fusionex (FXI:AIM) after this week's impressive full-year results. The shares jump 10% to 560p, making it an astonishing 41% hike since Shares flagged the stock last week.

Toys designer and distributor Character (CCT:AIM) cheapens 2.4% to 192p as investors book profits after a strong share price run. The £45.3 million cap's revival continued over the key festive period, with sales matching expectations and ranges based on TheZelfs, Fireman Sam and Peppa Pig continuing to perform well post-Christmas. Shares suggested the Christmas statement might provide a good read in our recent leisure goods sector report.

Investors in 24/7 Gaming (247:AIM) don't like the company's revelation that it needs more cash to plug a working capital hole. The mobile-based gambling group has been a flop since joining the market last summer. Today it confesses to poor returns from marketing spend and, as such, must now slash costs across the business. The shares slump 30% to 10.5p.

John Swan & Sons (SWJ:AIM) takes flight, gaining 4.4% to 600p on well-received . For the six months to 31 October, group losses were pared to £87,460 (2012: £135,400) due to a turnaround at livestock auctioneer and valuation arm John Swan and the company, seeking to sell land assets, says it will consider a full-year dividend.

Building services outfit T Clarke (CTO) slips 7.8% to 68p despite the group's pre-close trading statement revealing a growing order book and a net positive cash position in the year to the end of December. Preliminary results are published on 18 March.

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Issue Date: 17 Jan 2014