I have found the exact reference in the Yale University lectures. The sentence is discussed from 28:30. The lecturer describes the structure of the sentence and shows how it means that god imposed order on pre-existing material. The whole video is worth watching for the context of other religions in the area.
I have also looked at some modern Hebrew bibles online. Some do have a full stop but it is just religious people seeing what they want to see after the original meaning has been overtaken by superior knowledge.