Companies can greatly benefit from using big data. Big data can help companies make efficient business decisions and reduce costs with data prediction. Big data can reveal the hidden connection between historical and current data can have undiscovered hidden trends that can be utilized to improve the company. The example you provided, what type of data warehouse are they utilizing? Is the data being gathered structured or unstructured? NY stock exchange also uses data gathered from global markets to provide a consolidated view of existing valuations. NY stock exchange uses its own data, along with global markets, to provide insights.