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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Wales have qualified for the Euro 2016 quarter finals after beating Northern Ireland 1-0 in Paris.
A rally has been held in Cardiff following the EU referendum to show support to migrant communities.
It's 0-0 at half time in Paris as Wales face Northern Ireland in the last 16 of Euro 2016.