RESEARCH ALERT-FBR cuts Diamond Offshore Drilling to market perform

Oct 10 (Reuters) - :

* FBR cuts Diamond Offshore Drilling Inc to market perform from

outperform; price target to $74 from $85

* FBR cuts Rowan Companies PLC to market perform from outperform; price

target to $38 from $44

* FBR raises Hercules Offshore Inc price target to $5.25 from $4.40;

rating market perform

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