Mobile payments startup SpeedETab has received a majority-stake investment from Latin American company Paymentez. Fort Lauderdale-based SpeedETab is a platform adopted by companies, mainly food and beverage establishments such as Panther Coffee in Miami, aimed at adding efficiency and convenience. Say you want a coffee during the early-morning rush to get to work, you can log onto SpeedETab's mobile app to order and pay for your order ahead of time, and just run inside to grab it. Since launching...