Here are the stock reports from five spine device companies for May 21, 2015 and how they compare to their numbers two weeks ago on May 21.
Globus Medical
Open: $25.64 (down)
Previous close: $25.69
Market cap: $2.45 billion (up)
NuVasive
Open: $48.69 (up)
Previous close: $48.78
Market cap: $2.37 billion (up)
K2M
Open: $26.05 (up)
Previous close: $26.07
Market cap: $1.06 billion (up)
LDR
Open: $33.92 (up)
Previous close: $33.86
Market cap: $324.72 million (up)
Amedica
Open: $0.28 (up)
Previous close: $0.29
Market cap: $15.96 million (up)