rtokens: Ponce said shares were certainly attractively priced in Mexico , but would not appreciate until foreign buyers stepped in , which they had yet to do . '
pos: " DT NN POS JJ JJ , PRP VBP NN , " VBD DT NN .
tokens: " The market 's very healthy , we 're buying , " said another trader .
ltokens: Volume was lackluster , " said one trader .