this is the first time lukas walton has given an in-depth interview.ut on cnbc pro. guys >> what was it like? what was he like personally? >> really humble you know, he grew up -- went to college in colorado, studied environmental science. he wears tevas and jeans spends most of his time our ban farms or alaskan fisherifisheri. really interesting guy only 36, so he's really just getting started. with $22 billion, he's got a long runway. >> thank you appreciate it. such a pleasure to do this with you, brian sullivan. >> my pleasure. >> yeah, it is. >>> "closing bell" begins right now. >>> stocks clawing back from early losses but stalling near the flat line as a key week of trading gets under way the most important hour of trading starts now welcome, everyone, to "closing bell." i'm sara eisen take a look at where we stand in the market we've just gone positive on the dow and s&p 500. nasdaq was a little farther along there, up 0.10%. looking to reverse a little of last week's losses remember, we were down 5% on the s&p. what's working right now it's ma