Berkshire Hathaway, NRG, KBR earnings in focus By: MarketWatch February 27, 2015 at 05:44 AM EST Among the companies whose shares are expected to see active trade in Friday’s session are Berkshire Hathaway, NRG, and KBR. Read More >> Related Stocks: Berkshire Hathaway Berkshire Hathaway Gap Herbalife Ltd J C Penney Company Inc KBR Inc NRG Energy Ross Stores