BRIEF-Black Hills Corp reaffirms earnings guidance for 2016, 2017 By: Reuters: Company News May 03, 2016 at 17:10 PM EDT * Earnings guidance for 2016 and 2017 reaffirmed Source text for Eikon: Further company coverage: (Bengaluru Newsroom: +1-646-223-8780) Read More >> Related Stocks: Black Hills Corp