scarlet: thank you so much, bloomberg editor david kirkpatrick.ark: still ahead on the "bloomberg market day," how pimco dealt with the departure of bill gross. that is coming up, when we return. ♪ mark: welcome back to "bloomberg market day," i am mark crumpton here with scarlet fu. scarlet: let's go straight to julie hyman with economic data giving us a bit of a lift. yes indeed, retail sales are ahead of estimates if you back out of auto sales. ado want to look at the dated chart of the s&p 500 and look at the trajectory we have been on. remember we got those headlines out that the imf said it was not making progress with those talks with greece and that it was leaving brussels without continuing those talks. withe have a reaction those stocks but not nearly a reaction to the stocks that we have seen in europe. the s&p is now up at third of 1% . some of the movers helping contribute to the games today oil company, the the most active oil driller in the balkans. it agreed to silly 50% stake of its pipeline unit in that region to global infrastru

let's look at the challenges ahead with david kirkpatrick. david, always a pleasure. what could jack dorsey bring that mr. costolo does not have? david: it is a company that is a little bit directionless at this moment. jack brings the founder vision. at least temporarily. there is a lot of con fusion and myths ofonfusion and the origins of twitter. jack is really be most definitive creator of the product. he may be able to figure out where goes better than others. pimm: what is wrong with twitter now? burdeneditter has been with false expectations since the beginning. facebook-scale business. that is an accurate discussion. force, it is vastly more important than as a business. the challenge that a leader house, whether jack or someone else, is to somehow make the withess opportunity lineup its cultural influence. i don't think it is impossible. on the other hand, it will never towards a system like facebook. scarlet: that makes the delicate remaining of the stock will be inevitable. always thought it was overvalued from the beginning. 's first task is to reset expec