Chamberlin PLC (LON:CMH), the specialist castings and engineering group, fell 12.6% after warning trading conditions have toughened.
Customer schedules for the European turbocharger market have suffered significant reductions, partly related to the disturbance to production schedules resulting from the new Worldwide Harmonised Light Vehicle Test Procedure emissions testing regime.
There are also uncertainties relating to Brexit, and the group's Petrel business has experienced a slowdown.
1.00pm: Jangada sparkles after vanadium exploration update
Results from 72 samples taken from Jangada Mines PLC's (LON:JAN) Ptombeiras West drilling campaign confirm continuous high-grade vanadium, titanium and iron grades at surface.
Grades reported run as high as 1.1 % vanadium (V2O5), 14.3 % titanium (TiO2) and 61.4 % iron (Fe), the natural resources company said.
Average sample grades include 0.91 % vanadium (V2O5), 10.7 % Titanium (TiO2) and 53 % iron (Fe), and were three times higher for vanadium and titanium than management was initially anticipating.
Shares in Jangada were up 8.5% at 2.55p in lunchtime trading.
11.30am: Pebble Beach chips in
The trading update from Pebble Beach Systems Group PLC (LON:PEB) sent the shares surging to 5.75p from 5.15p overnight.
The software house focused on the broadcast sector said results for 2018 should be in line with expectations with operating profit about four times as high as 2017's result, at more than £2mln.
The group's financial position improved with a reduction in net debt at the end of 2018 to £9.4mlm from £10.3mln a year earlier.
10.30am: Gama Aviation returns US$7.75mln received through overpayment
Gama Aviation PLC (LON:GMAA) shares fell by more than a fifth after it owned up to receiving overpayments.
The company said it had identified the receipt of two overpayments, in error, from Gama Aviation LLC, its US Air associate.
One was for US$5.75mln and the other for around US$2mln. Both have been repaid in full.
9.30am: Water Intelligence puts on a spurt but profit warning hammers Maestrano
Leak detection specialist Water Intelligence PLC (LON:WATR) rose by almost a tenth on the back of an upbeat trading update.
The company has bought back its ALD franchise in Ontario, sold a new franchise territory in Youngstown (Ohio) and announced it is to provide financial support to assist a franchise in Idaho to jump-start expansion from leak detection to repairs and municipal.
"We are off to a fast start in 2019,” declared Dr Patrick DeSouza, the executive chairman of Water Intelligence.
“These transactions unlock significant shareholder value both from synergies and expansion into new offerings. Water Intelligence is scaling operationally with multiple business lines and can execute such complementary transactions, again and again, going forward to reinforce sustainable growth,” he added.
The trading update from Maestrano Group Plc (LON:MNO) was not so well received, with the shares losing more than a third of their value.
The cross-app data synchronisation specialist said it has taken a much more cautious approach to the ramp-up of end-user subscription revenue for 2019 and has revised its outlook accordingly.
“This cautious approach is expected to result in revenue and the adjusted loss for the 2019 financial year being materially behind market expectations,” the company said.
Proactive news headlines:
BlueRock Diamonds PLC (LON:BRD) has announced the recovery of an exceptional 8.97-carat diamond on Friday 1 February from the Kareevlei Diamond Mine in the Kimberley region of South Africa.
Landore Resources Ltd (LON:LND) has completed the first phase of a detailed metallurgical assessment of the BAM gold deposit on the Junior Lake property in Ontario. The results show that a 98% recovery rate is achievable.
W Resources PLC (LON:WRES) has completed three further shipments of tungsten to its European customer, following the delivery of the first shipment in December.
Greatland Gold PLC (LON:GGP), the precious and base metals exploration and development company, has announced excellent laboratory assay results from the company's second drill campaign at its 100% owned Havieron licence in the Paterson region of Western Australia.
88 Energy Limited (ASX:88E) (LON:88E) said drilling will get underway on Alaska’s North Slope later this month on a well targeting a prospective resource of 400mln barrels of oil. Winx-1 is around four miles east of Horseshoe-1/1A, which significantly extended the highly successful Nanushuk play fairway to the south.
MaxCyte Inc (LON:MXCT) has proposed a share placing to fund an acceleration of its growth strategy as well as executing “significant commercial opportunities”.
Virtual reality (VR) group Immotion Group PLC (LON:IMMO) is raising funds so it can deliver on a number of significant new contracts it has signed.
Union Jack Oil PLC (LON:UJO) and Europa Oil & Gas Holdings PLC (LON:EOG) both announced that Egdon Resources Plc (LON:EGR), as operator of the Wressle oil discovery, has lodged an appeal against the refusal of planning permission for the drill site in North Lincolnshire. The appeal will be dealt with by the Planning Inspectorate.
Motif Bio Plc (LON:MTFB) (NASDAQ:MTFB), the clinical-stage biopharmaceutical company specialising in developing novel antibiotics, said it has received notification from warrant holders to exercise warrants representing 113,396 ordinary shares in the company for total consideration of £36,513.52. The exercise price of all warrants was 32.2p per warrant.
Primary Health Properties PLC (LON:PHP) said an independent adviser has determined that no adjustment is required in respect of the open offer element of the equity issues it made in March 2016 and March 2018, with his determination is conclusive and binding on the parties. Accordingly, the group added, there is no longer any contingent liability an adjustment to the exchange price of its 4.25% Guaranteed Convertible Bonds 2019.
Midatech Pharma PLC (LON:MTPH) (NASDAQ:MTP), the R&D company focused on delivering innovative oncology and rare disease products to patients, announced after the close on Monday that it conditionally raised, in aggregate, approximately £4.7mln, before expenses, via a placing of 120,966,718 units (comprising one placing share and one warrant) at an issue price of 3.85p per unit. Together with a related share subscription, the company said it conditionally raised gross proceeds of approximately £12.7mln and looking to raise an additional £0.75 through an open offer to qualifying shareholders of up to a further 19,456,554 units.