answer: Sam advises #Person1# to sell #Person1#'s shares, or #Person1#'ll lose money.
documents: #Person1#: Sam, what shall I do with my stocks? Will I lose money?
  #Person2#: There's a possibility.
  #Person1#: What do you mean by that?
  #Person2#: I mean if you don't sell your shares now, it's quite likely that you'll end up losing your shirt.
  #Person1#: Is that so?
  #Person2#: Absolutely. Take my word for it.