What are stock Indices? Stock indices are financial instruments that represent the value of a basket of underlying publicly traded companies. Relaterade artiklar I uploaded my documents. Is my account verified now? How do I apply Trading Indicators onto my MT4 or MT5 platform? How do I log in to the AvaSocial app? What happens to my positions or orders during a Stock Split or Reverse Split? How do I change my password from the My Account area?