Nutrition 21 ( NXXI) soared 62% after the company received a purchase order from Rite Aid ( RAD) for the company's Chromax chromium picolinate product. The product will be distributed to more than 3,400 Rite Aid stores and mark the first time that Nutrition 21's Chromax product will be available in retail stores. "Our direct distribution strategy is on schedule," the company said in a statement. "The Rite Aid commitment is a significant initial step in our transition from primarily a wholesale ingredients supplier to also a supplier of branded finished goods." Shares were trading up 43 cents to $1.12. Other health care volume movers included Pfizer ( PFE), down 6 cents to $24.52; Guidant ( GDT), up 50 cents to $70.90; Elan ( ELN), down 17 cents to $16.02; Bristol-Myers Squibb ( BMY), down 16 cents to $22.30; Nektar Therapeutic ( NKTR), up $1.79 to $19.90; UnitedHealth Group ( UNH), down $2.12 to $60.41; Boston Scientific ( BSX), up 3 cents to $25.08; Amgen ( AMGN), up 55 cents to $77.75; Johnson & Johnson ( JNJ), down 64 cents to $61.57; Merck ( MRK), up 11 cents to $33.59; and Schering-Plough ( SGP), down 22 cents to $20.11.