Midday Movers: Twitter, GoPro, GM & more By: CNBC.com News July 01, 2014 at 12:50 PM EDT Take a look at some of Tuesday's midday movers: Read More >> Related Stocks: Ford Motor Generac Holdings Inc General Motors Gopro Inc Cl A Jd.com Inc ADR Las Vegas Sands Lockheed Martin MGM Resorts International Melco Resorts & Entertainment ADR Nabors Industries Nordstrom Toyota Motor Corp Ltd Ord ADR Twitter, Inc. Verizon Communications Wynn Resorts