Right now there is nothing you can do. But with time the shiny spots should tone down to match the rest of the wall. This is a difference between the older paint and the new paint which requires curing time.
Normally what you describe happens with dark or vibrant colors but could be a property of the Valspar paint. I never used this paint so my advice is a bit second hand. Give it 2-4 weeks for a full cure and see what happens. At this point you can try a light washing with clean water and soft cloth to help blend all areas. Contact Valspar before trying anything.