Take a look at some of Tuesday's midday movers:
Oshkosh moved lower after Carl Icahn abandoned his effort to get control of the heavy duty vehicle maker after shareholders tendered fewer shares than he had hoped for.
Campbell Soup and Electro Scientific Industries gained ground as they became the latest companies to declare a special dividend ahead of the new year. Campbell also moved up its regular dividend from January to December.
Vail Resorts slid downhill after its fiscal first-quarter losses widened on higher operating costs and flat revenue.
Health Net rose after Wells Fargo upgraded the stock to "outperform" from "market perform."
DSW moved higher after private equity firm Leonard Green & Partners was forced to disclose they have been building a stake in the company over the past few quarters, leading to speculation the company is a takeover target.
Net 1 UEPS Technologies plummeted after the company said the Department of Justice and FBI are investigating it over possible bribes to the South African government over contracts in connection with social welfare and benefits payments.
Syntel moved lower after the provider of integrated information technology lowered its full-year guidance.
Young Innovations rose after it agreed to be bought by private equity firm Linden Capital Partners that values the dental equipment maker at $314 million, or $39.50 a share in cash.
Demand Media fell after Goldman downgraded the company to "sell."
(Read More: See CNBC's Market Insider Blog)
—By CNBC's Rich Fisherman.
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