Alphatec Holdings is trading at $11.22, up +5.15%, with no clear company-specific catalyst identified for October 12.
- The move is notable against the previous close of $10.67.
- Search results identified earlier Alphatec news, but no clear October 12 announcement explaining the gain.
- The S&P 500 and Nasdaq were slightly lower; mixed index performance does not establish a broad-market explanation.