Britain's house builders come under selling pressure as the market takes fright of Chancellor George Osborne's plans to hand the Bank of England stronger powers to curb mortgage lending and curb house price bubble threats. Persimmon (PSN) leads the fallers, down 4.7% to £12.41, leading the FTSE 100 losers board, while Barratt Developments (BDEV) is another big slider, shedding 4.1% to 354p.

The Iraqi unrest is leading to a rise in oil prices – given its position as a major crude exporter – and this is helping FTSE 100 oil firms: BG Group (BG.) up 1.7% to £12.86; BP (BP.) ahead 0.96% to 513.2p; Royal Dutch Shell (RDSB) advancing 0.99% to £25.08; and Tullow Oil (TLW) gaining 2.1% to 859.5p.

Popular business communications provider Coms (COMS:AIM) has embarrassingly had to restate earnings before interest, tax, depreciation and amortisation (EBITDA) for the year to January 2014 only days after publishing its annual accounts. The new figure of £0.83 million almost halves the previously stated £1.5 million, and the reasons for the difference have not been detailed. The shares slump almost 12% to 4.58p.

Oil explorer Tower Resources (TRP:AIM) loses nearly 60% of its value to 1.17p as its Welwitschia-1A well offshore Namibia fails to undercover hydrocarbons. We will have a more in-depth look at the story on the site later.

Video-on-the-go upstart SyQic (SYQ:AIM) leaps more than 40% to 48.5p after hinting that trading is ahead of plan this year and easing fears over cash collection. We'll have more details in a web story later.

Value fashion retailer Bonmarche (BON:AIM), focused on the over-50s female demographic, firms 1p to 284.5p on pleasing full-year results. Pre-exceptional pre-tax profits powered more than 85% higher to £11.2 million on sales up 12% to £164.3 million in the year to 29 March. Key metrics moving in the right direction included like-for-like and multi-channel sales, up 10.4% and 84% respectively.

Heading 4.8% higher to 83.8p Gulf Keystone Petroleum (GKP:AIM) thanks to a reassuring update from the group's operations in Kurdistan, northern Iraq. This week radical Islamists have taken control of areas of Iraq but Gulf Keystone says production from its Shaikan field is set to increase from the current 16,000 barrels of oil per day (bopd) to 20,000 bopd later this year as planned.

Family-run Toye & Co (TOYE:AIM), the jewellery and identity products designer with the Royal Warrant to supply the Queen's insignia and embroidery, tumbles 23% to 38.5p. Chairman Bryan Toye's purchase of 272,000 shares takes his interest to 53.2%, triggering a mandatory cash offer for the company pitched at 35p.

Real estate investment trust Assura (AGR) rises 1.1% to 43.2p on it adding 28 medical centres to its portfolio for £107 million. The centres will generate £6.2 million rent when all reviews are agreed, representing a 5.8% yield, and expands its portfolio to 230 centres.

Allergy drug developer Circassia (CIR), which joined the market in March, improves 1.1% to 298.5p on positive results from its phase IIb trial for its dust mite allergy treatment HDM-SPIRE. Improvements were recorded two years after patients took the drug.



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Issue Date: 13 Jun 2014