How to Use "dicker" with Example Sentences

1. In 2004 and 2005 , goldman sachs made $ 1.5 billion a year trading oil , dicker says .
2. Adam dicker has extensive experience and domaining expertise .
3. We are aiming at the lower price , the higher quality , the more amount , then please not dicker , thank you !
4. Dicker notes that libya produces only 1.3 million barrels of oil a day , just a tiny fraction of the world oil market .
5. Dicker believes it is largely because large financial firms with a direct interest in oil trading have made so much money with oil that they can afford to lobby congress to block any significant reforms .