Home Markets Exxon greenlights $6.8 billion investment for Hammerhead project in Guyana Exxon greenlights $6.8 billion investment for Hammerhead project in Guyana Andrew M Sep 22, 2025 comments off Tweet on Twitter Share on Facebook Google+ Pinterest Original source: https://www.investing.com/news/stock-market-news/exxon-greenlights-investment-for-hammerhead-project-in-guyana-4249566 Exxon Guyana Market Updates www.investing.com/news/stock-market-news/exxon-greenlights-investment-for-hammerhead-project-in-guyana-4249566