Sam2: Indo-European refers to a language family (a.k.a. Aryan) and is not something that can be determined by genetics. For example, most American Jews speak an Indo-European language (English), but have nothing to do genetically with the people of the British Isles.
The DNA suggests that Ashekanzi Jews are much more likely to be of Middle Eastern descent than the goyim we live among, that with a few weird exceptions most Jews are more closely related to each other than to the goyim, and that we have had only negligible numbers of converts since ancient time. Oh, and most Kohanim seem to have a more middle eastern profile than most other Jews. But as with most DNA “evidence” all it does is show that the historical record isn’t a forgery, which isn’t surprising. THe only “surprises” from DNA evidence have been to discover that all the revisionist theories are wishful thinking by nutcases.