They know everyone. They know what everyone's thinking, and they know where the next deal may lie.
Imagine the doctor who built an office next to a Ford factory. If the workers lose their jobs and those benefit plans disappear, this doctor isn't going to be able to afford his office.
Some firms are projecting 30 percent M&A growth next year, after 36 percent this year. Companies are still sitting on piles of cash, and they'll get to work after the new year.