Apple has once again grabbed the top spot as world's most-valuable brand worth nearly $1.3 trillion. Google ($944 billion), Microsoft ($884.8 billion), Amazon ($866 billion) and NVIDIA ($509.4 billion) ranked next. Other most-valuable brands include Facebook, Instagram, McDonald's, Oracle, Visa, Tencent, Mastercard, IBM and Coca-Cola. The most valuable Indian brand is TCS ($57.33 billion).