Oct 9 (Reuters) - Matrixx Initiatives:
* Matrixx Initiatives revises all-cash acquisition offer for ProPhase Labs
* Matrixx Initiatives-increased its offer to acquire all of outstanding shares
of ProPhase Labs by 14.3% to $1.60 per share
* Matrixx Initiatives-had initially proposed an all-cash acquisition of
ProPhase for $1.40 per share on may 29, 2012
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