The dollar extended losses against the yen while it extended gains against the euro on Friday on a rise in risk aversion after data showed U.S. consumer sentiment worsened in August. The euro fell to $1.4238 EUR= from $1.4265 before the data, down 0.3 percent on the day. The dollar fell to 94.42 yen JPY= from 94.70 yen before the release of the report, down 1 percent on the day. The Reuters/University of Michigan preliminary August consumer sentiment survey posted at 63.2, compared with the 68.5 expected.