The dollar index (DXY00) on Friday rose by +0.01%. The dollar on Friday gave up most of an overnight advance and finished little changed. The dollar spiked higher in overnight trade after US officials said Israel launched a retaliatory air strike against Iran in response to Iran’s rocket and drone attack on Israel last weekend. However, the dollar fell back from its best levels on signs the damage was minimal, and an Iranian military official downplayed the attack. Lower T-note yields Friday also weighed on the dollar. Liquidity demand for the dollar increased Friday after the S&P 500 tumbled …