Stock market earnings season
Many companies will release their quarterly earnings today 26th July 2016 so stock market could see volatility.
Some of the major companies they will release earnings today are 3M Company (MMM),Akamai Technologies, Inc. (AKAM) ,Allegheny Technologies Incorporated (ATI) and the much anticipated Apple Inc. (AAPL).
Source : http://www.nasdaq.com/earnings/earnings-calendar.aspx
Earnings can either have a dramatic up or down move to stocks prices depending on estimates and surprises.