Dealing (noun)

1. The action of conducting business or negotiations, especially the distribution or trading of goods.
2. The way in which one handles or manages a situation or relationship.

Origin:

Late 16th century: from deal1 + -ing.

Examples:

1. She was accused of insider dealing in the stock market.
2. The company is involved in international dealing in oil and gas.
3. His dealings with the government have been very successful.
4. The company has a good reputation for fair dealing.
5. Her dealings with the press have always been difficult.