Uber falls after weak profit forecast, shares down 6 percent in futures trading

The company, which specializes in taxi and transportation services, flags in the report plans for further investments in driverless vehicle technology, a project that has already devoured hundreds of millions of dollars from the company's budget.

Adjusted earnings per share are expected to be 65-72 cents per share for the current quarter. This is lower than the average analyst estimate of 77 cents per share.