Oct 14 (Reuters) - Infosys
* Infosys ltd says FY 17 revenue guidance revised to 8.0% - 9.0% in constant currency
* Gross client additions of 78 in Sept-quarter
* "Considering our performance in first half of the year and the near-term uncertain business outlook, we are revising our revenue guidance"
* Shares fall over 5 percent after company lowers revenue guidance Source text: bit.ly/2dOv1V4 Further company coverage: (Bengaluru newsroom)