Health stocks were weaker Monday, with the Nasdaq biotechnology index down 1.5% and the Amex biotechnology index off 0.9%.

Among individual stocks, notable movers were:

Molecular Insight ( MIPI), up 9.7% at $4.18

Mentor ( MNT), up 8% at $15.94

Amylin ( AMLN), up 7.8% at $6.91

Theravance ( THRX), up 6.8% at $6.58

Alexion Pharmaceuticals ( ALXN), up 3.8%, at $39.69

United Therapeutics ( UTHR), down 35.2% at $58.62

Intuitive Surgical ( ISRG), down 16.9% at $123.34

Merck ( MRK), down 4.9% at $25.99

Amgen ( AMGN), down 3.7% at $56.09

Wyeth ( WYE), down 3.7% at $32.89
This article was written by a staff member of TheStreet.com.

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