U.S. stock index futures were flat to slightly lower on Wednesday as investors braced for a spate of economic data and corporate results to close a turbulent month for financial markets. .N

** First Solar FSLR.O:

BUZZ - Slides on dour annual forecast nL4N3R80WI

** Humana HUM.N:

BUZZ - Rises after quarterly profit beat nL4N3R80ZO

** Norwegian Cruise Line NCLH.N:

BUZZ - Falls after Q1 revenue miss nL6N3R80K7

(Compiled by Siddhi Mahatole)

((siddhi.mahatole@thomsonreuters.com))