the airline industry and the future of boeing and the market is down heavily today reflecting in festus concerns about. the recent previous one at lyon that means for the company and its profits boeing says the investigation into the ethiopian airlines crash is in its early stages and it sees no need to issue new guidance to seven three seven x. eight operators based on the information it has so far. let's bring in our financial correspondent new york jose luis de haro jose how seriously does boeing have to be taking these groundings. they should be a big concern sends a single aisle seven three seven marks a count for almost one third of the company's operating profit i need to generate about thirty billion dollars in annual revenues or any kind of problem related to this model is going to take a toll. on trees like china indonesia and if the o.p.'s decided to ground these airplanes here in the u.s. airlines seems to can see that a seven three seven might say it's still air war three waiting though for a four month conclusion from the federal aviation administration meanwhile investors