launch missiles. and the hope is that these initial discussions about the olympics to lead to bigger talks about things like inter-korean relations, divided families in the north and south and the big issue, north korea's nuclear program even as kim jong-un has said he's going to continue developing nuclear weapons in 2018, leaders are saying they need to stay on guard even if they're willing to engage in talks. >> and the president taking credit for these talks of course on twitter because he is strong and firm. of the that yesterday. live for us in seoul. it's that time of the morning, check on cnn "money" stre stream. fastest thousand-point gain in h history. dow hit 24,000 barely one month ago. thanks to a strong economy and of course tax cuts. wall street hope this will mean even fatter profits in 2018.