People in Newport say the potential loss of hundreds of jobs in the city would be a "massive blow."
On Friday, managers at engineering firm Rowecord said the company will be going into administration and that 400 jobs are at risk.
Rob Osborne reports.
More top news
Cloudy with patchy rain or drizzle, possibly turning heavier for a time.
Organisers say there will be increased security at the Urdd National Eisteddfod, which began in Bridgend today.
Any remaining heavy or thundery showers will clear eastwards this evening.