132 jobs could be lost after aluminium giant Sapa announced a consultation that could see the closure of its plant in Bedwas, near Caerphilly.
The company said it needs to remain competitive in the face of "significant changes" to its markets in recent years.
More top news
Helen Plint has the latest forecast for Wales.
The Labour conference has voted to give the Welsh party more autonomy, despite opposition from supporters of Jeremy Corbyn.
Matthew Barzun says he like to visit places outside London, including Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch