Biscuit manufacturer Burton's says it will invest £4.6m at its factory near Cwmbran.
The Llantarnam site, which makes brands such as Maryland Cookies, Wagon Wheels and some Cadbury's products, employs 800 people.
The money will be used to install 'cutting edge' control room technology to help monitor the baking process.
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Some bright spells this afternoon, with outbreaks of rain. Top temperature 15°C.
It's judgement day at the Millennium Stadium as Cardiff Blues take on the Ospreys and the Newport Gwent Dragons face the Scarlets.
Showers expected throughout the day especially in the north. Drier and brighter elsewhere but cooler than in recent days.