AmTrust battle with short sellers intensifies

US carrier AmTrust has filed a defamation suit against short
sellers and an equity research firm alleging attempts to manipulate
its stock price through "false and misleading"
statements.


AmTrust has asked the New York Supreme Court to put an injunction
in place to prevent short seller investor Alistair Capital
Management, its manager Casey Nelson and research firm GeoInvesting
from issuing further statements or research on the company.


But the defendants hit back strongly yesterda