Mikepier writes:

If the countertop is white, try bleach. I had a white formica
countertop and stains came out easily using bleach.

Yeah, try bleach. It works on non-white countertops, too. When I've
had stains that don't wipe up immediately, I've put down a paper towel
or rag soaked in a dilute bleach solution over the stain for half an
hour or so to let it "work". Wear gloves to protect your hands.

-Sandra