Engineer Chamberlin says trading has been strong at its foundries in the first quarter and it is confident of a return to profit in the year to March 2011.
At 88.5p a share, up 6.5p on the day, Chamberlin is valued at £6.58m.
Chamberlin has started work on a second major turbocharger part contract at Walsall. Volumes are also recovering at the Leicester and Scunthorpe foundries.
Directors have been buying shares at between 74p and 81.5p a share since the 2009-10 figures were published.
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AIM-quoted Timeweave has bought convertible loan notes in DCD Media that can convert into a 29.9% stake in the TV programmes producer.
Paper and speciality fibres manufacturer James Cropper is investing $3m in a new manufacturing facility in New York State.
Peter Gyllenhammar has taken his stake in TEG Group to 3.2% following the purchase of 500,000 shares.
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