What is the fine-grained topic of the following text: MANILA, Philippines — The state-run Land Bank of the Philippines (Landbank) has extended by one more month or until Jan. 31 next year its revised offer to buy out existing Philippine Dealing System Holdings Corp. (PDS) shareholders and gain control of the bond exchange. Only return the topic.
Land Bank of the Philippines' extended offer to buy out Philippine Dealing System Holdings Corp. shareholders