NEW YORK (AP) — Shares of some top health care equipment companies are mixed at 10 a.m.:

Becton, Dickinson & Co. rose $.47 or .6 percent, to $83.33.

Covidien rose $.16 or .3 percent, to $60.44.

Patterson rose $.08 or .2 percent, to $35.25.

PerkinElmer rose $.10 or .3 percent, to $34.60.

Thermo Fisher Scientific Inc. rose $.10 or .1 percent, to $69.03.

Varian Medical Systems Inc. fell $.34 or .5 percent, to $74.25.

Waters rose $.85 or .9 percent, to $91.42.