Stocks making the biggest moves midday: Intuit, AMD, LegalZoom.com, Baidu and more

Check out the companies making headlines in midday trading: Intuit — Shares of the TurboTax parent…

American shares tumble 15% after sales strategy backfires; carrier cuts growth

An American Airlines’ Embraer E175LR (front), an American Airlines’ Boeing 737 (C) and an American Airlines’…