* Canadian dollar falls 0.1% against the greenback
* Canada retail sales were unchanged in June
* U.S. oil prices decrease 2.8%
* Bond prices move higher across the yield curve
By Levent Uslu
TORONTO, Aug 23 (Reuters) - The Canadian dollar weakened against its U.S. counterpart on Friday, adding to the previous session's losses, as escalating trade tensions reduced global risk appetite and investors awaited a speech by the Federal Reserve's chair.
U.S. stocks opened lower as China's threat to impose tariffs on $75 billion worth of U.S. goods ratcheted up trade tensions ahead of Fed Chairman Jerome Powell's speech in Jackson Hole, Wyoming. exports many commodities, including oil, so its economy could be hurt by a slowdown in the flow of global trade.
The Canadian dollar CAD=D4 was trading 0.1% lower at 1.3315 to the greenback, or 75.10 U.S. cents at 9:46 a.m. (1346 GMT). The currency was trading in a range of 1.3293 to 1.3339.
Oil prices fell sharply one the worsening U.S.-China trade tensions. U.S. crude oil futures CLc1 were down 2.8% at $53.8 a barrel. domestic data showed Canadian retail sales were unchanged in June from May. Analysts surveyed by Reuters had forecast a 0.1% decrease. government bond prices were higher across the yield curve, with the two-year CA2YT=RR up 0.5 Canadian cent to yield 1.468% and the 10-year CA10YT=RR rising 15 Canadian cents to yield 1.274%.