BRIEF-Whitebox Advisors LLC reports 5.1 pct passive stake in Ultra Petroleum Corp as of March 15
March 27 Ultra Petroleum Corp
* Whitebox Advisors LLC reports 5.1 percent passive stake in Ultra Petroleum Corp as of March 15 Source text: [bit.ly/2nZq2aF] Further company coverage:
UPDATE 4-North Korea tests rocket engine, possibly for ICBM - U.S. officials
* S.Korea's Moon says engagement must be backed by strong defense
GLOBAL MARKETS-Tentative oil price recovery lifts energy stocks
LONDON, June 23 World stocks were poised to eke out slim gains for the week on Friday as a tentative recovery in oil prices spurred investors to hunt for bargains in the beaten-down energy sector and helped commodity-related currencies gain against the dollar.