Opposition leader Morgan Tsvangirai has withdrawn a legal challenge in protest.
Outgoing P.M. alleges irregularities gave Robert Mugabe victory.
Will keep up takeover of foreign and white-owned assets; outgoing P.M. contests election results.
Dovetails with allegations of massive fraud made by opposition, NGOs.
Its biggest one-day decline since 2009.
Main challenger to President Robert Mugabe claims vote was rigged.
Mission is asking election authorities to investigate irregularities.
Opposition insists longtime President Robert Mugabe stole the election.
Zimbabwe's frail economic recovery plays a major role in Wednesday's elections.
Zimbabweans flocked to polling stations Wednesday despite suspicions that vote-counting could be rigged.
