Among the stock activity stories for Monday, Nov. 16, from AP Financial News:

NEW YORK (AP) -- Shares of AeroVironment Inc. rose after an analyst upgraded the unmanned aircraft manufacturer's stock on prospects that the war in Afghanistan will boost Pentagon orders and company production.

NEW YORK (AP) -- Shares of Ciena Corp. headed higher as Nortel Networks Corp.'s announcement Friday of a delay in the auction of its optical unit was seen as positive for the company.

SAN DIEGO (AP) -- Shares of Vical Inc. rose after the company said its shares will be added to Nasdaq Biotechnology Index in a week.