Medivation and Syngenta climb; Viacom, Marathon Oil fall
NEW YORK — Stocks that moved substantially or traded heavily on Monday: Medivation Inc., up $13.26 to $80.42 The cancer drugmaker agreed to be bought by Pfizer for $13.5 billion, or $81.50 a share. Marathon Oil Corp., down $1.16 to $15.64 The oil company said its chief financial officer is resigning and announced several other