Stocks Falling On Unusual Volume (NUVA, MANT)

NuVasive, Inc.

and ManTech International Corporati

are both being hit hard today, with both companies down on very strong volume. NUVA is at $33.58, down $1.53‎ on more than three times normal volume already and MANT is at $37.43, down $3.32‎ on almost three times the daily average volume.