Ciena, Community Bank, Credence, Openwave: U.S. Equity Preview

(Bloomberg) -- The following is a list of companies
whose shares may have unusual price changes in U.S. exchanges
tomorrow. This preview includes news that broke after exchanges
closed. Stock symbols are in parentheses after company names.

Amgen Inc. (AMGN US): The world's largest biotechnology
company agreed to buy Ilypsa, a private company developing drugs
for kidney disorders, for $420 million. The stock lost 3 cents
to $56.91 in regular trading.


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