NuVasive Upgraded To Buy At Canaccord On Leverage By: Benzinga via Benzinga October 06, 2015 at 08:08 AM EDT NuVasive, Inc (NASDAQ: NUVA) shares are up 46 percent in the last one year, rising to their 52-week high of $56.61 on August ... Read More >> Related Stocks: Nuvasive Inc