Health Care Equipment companies shares mixed at 10 a.m.

Shares of some top health care equipment companies are mixed at 10 a.m.:

Becton, Dickinson & Co. fell $.50 or .3 percent, to $143.83.

Patterson rose $.22 or .5 percent, to $47.56.

PerkinElmer fell $.18 or .3 percent, to $51.51.

Thermo Fisher Scientific Inc. fell $1.42 or 1.1 percent, to $129.27.

Varian Medical Systems Inc. fell $.13 or .1 percent, to $95.84.

Waters fell $.18 or .1 percent, to $123.90.