share of home builders were broadly lower thursday after data showing that us housing starts fell a lot more than expected in may the ishares us home construction etf itb sank 20 in premarket trading putting it on track for a near twoyear low as futures es00 for the sp 500 spx shed 17 among the etfs more active home builders lennar corp len dropped 27 toll brothers inc tol fell 19 kb home kbh slid 34 pultegroup inc phm lost 07 and dr horton inc dhi shed 30 the etfs biggest premarket decliner was tri pointe homes incs stock tph  which slumped 53 after a b riley downgrade to neutral from buy amid concerns over lower future new order activity for the industry as interest rates rise the annual rate of housing starts in may fell 144 to 155 million compared with expectations of a 23 decline to a 168 million rate elsewhere in the housing sector shares of home improvement retailer home depot inc hd lost 05 and online real estate services platform redfin corp rdfn fell 30