What conversation were the businessmen having?

This is in stave 4. They instantly appear in the city and listen in on some businessmen who casually and jokingly discuss someone's death. They really don't care that this man died. Scrooge wonders why the Ghost is showing him these conversations and what bearing they have on his future self. However, he does not see himself among the crowds.

What did Scrooge think about when he saw the conversation between the businessne