PremiumCompany AnnouncementsChallenger Energy Group Sees Increased Stake by Morgan Stanley Challenger Energy Expands U.S. Market Presence with OTCQB Listing Challenger Energy Group Sees Shift in Major Holdings PremiumCompany AnnouncementsMorgan Stanley Increases Stake in Challenger Energy Challenger Energy Exits Trinidad and Tobago to Focus on Uruguay Challenger Energy Announces New Share Issuance Following Option Exercise PremiumCompany AnnouncementsChallenger Energy Advances Seismic Work on Uruguay Block Challenger Energy Advances Exploration in Uruguay Challenger Energy Boosts Shares After Chevron Deal