Looks like the delisted company will continue to trade on the otc exchange. One example I found: http://www.luxottica.com/en/investors/nyse-delisting-faq
Week 46 Wrap: Copper hits 2mth low as Trump threatens net zero pace; US rally fades; HotCopper’s picks
AN1 CuFe sells its Crossroads gold royalty to Northern Star for $4M cash; says better than waiting for mine launch