Investing.com - The dollar index Thursday struggled to hold the 100 mark despite relatively upbeat U.S. economic data.
The dollar index was up 0.09% at 09:45 ET at 99.87 after a high of 100.09, it highest level since March 21.
U.S. Q4 GDP growth was revised up to 2.1% from an earlier reading of 1.9%.
Initial weekly jobless claims fell but by less than expected.
The dollar index was aided by a weaker euro, which fell 0.21% to $1.0742.
Reuters Wednesday reported the ECB does not intend to change its dovish guidance on monetary policy.
The pound was up 0.64% at $1.2515, recovering from lows posted on the U.K. triggering Brexit.
The dollar firmed 0.09% to 111.15 yen.