USPH 19.97, share buyback <img src=http://bigcharts.marketwatch.com/charts/big.chart?symb=USPH&compidx=aaaaa%3A0&ma=5&maval=25&uf=8&lf=268435456&lf2=2&lf3=1024&type=4&size=3&state=11&sid=8904&style=320&time=7&freq=1&nosettings=1&rand=2015&mocktick=1&rand=9206>