EUR/USD is presently at 1.5025 having earlier extended its rally out to 1.5045, just shy of touted 1.5050 barrier option interest.
A US investment house is said to have been a major player in the latest leg higher, entering the market around 1.5025.
Around that time the release of disappointing UK GDP data elicited a surge in EUR/GBP buying, which will also have helped underpin EUR/USD.