shares of masco corp opened 12 lower at 4233 wednesday after the company reported flat thirdquarter sales and adjusted earnings that were below wall street analyst expectations the maker of homeimprovement and building products said net income slipped to 218 million from 220 million in the yearago period earnings pershare rose to 97 cents from 89 cents last year as the number of shares outstanding declined stripping out onetime items adjusted earnings were 98 cents a share analysts polled by factset had been expecting 105 a share sales were flat at 22 billion missing analyst expectations for 224 billion according to factset