now earlier we spoke with one experience head of market analysis ranko barretts we asked them how much the erratic communication surrounding the trade discussions were a disadvantage for the chinese. that's right i think the root of the problem is the fact that policy at the white house is being made alternately directly by the president often with by the no input or even contradicting import from various advisers so the result of this is that as we've heard this week for example with could lose recent statements the senior advisers like to add a lot of contingency into the communications they put out to be able to say a deal is being reached out of the ways make you contingent on final approval from the president and as you said you know chris sort of i miss the communications environment and you can see financial markets reacting to that. for more on just how the financial markets are reacting our correspondent yens court is here to give us the view from wall street younes after yesterday's highs the end of this trading week is marked with a bit more uncertainty how does it look from