This story was written by Staci D. Kramer.
The U.S. Department of Justice is looking at the Google-Yahoo (NSDQ: YHOO) two-week ad test, according to Reuters. The wire service says it has been told by a source that authorities have initiated an investigation" over concerns the test could violate antitrust law.
The test, announced early this month, was limited to two weeks, U.S. searches of Yahoo.com and just 3 percent of search queries.
By Staci D. Kramer