sarep sarepta therapeutics is doubling. it's up a whopping 183%.g a contender for sunshine, it was a home run. talking of home, the home re-fi boom. it's rolling on. a double digit jump last week with homeowners loving those really low record rates, which, by the way, is putting more cash in their pockets. it's also meant to stimulate the economy. that's the whole idea. but are the savings really trickling down to help everyone, like people in construction and home improvement? we have the co-owner of the largest independent hardware store joining us on the cnbc news line. his name is howard miller, president of hartville hardware. how much of your sales have gone up? >> we've definitely seen an uptick in new home sales. recently i walked through the developments in my area where i live, and ten new homes are being built right now. one of our builders sold three houses last week. we're definitely seeing an uptick in building of new homes. >> what does that mean in terms of your sales? >> well, over the last several years, a lot of our builders from