FXStreet (Córdoba) - GBP/USD has extended gains above the 1.4600 level during afternoon trade in New York, as US dollar weakness remains as the theme of the day, although there were no clear catalysts to blame. GBP/USD broke above several resistances levels and climbed to a high of 1.4648, stalling just a few pips shy of the 50.0% retracement of the December-January drop between 1.5239 and 1.4078, being this latter a 7-year low scored on Jan 21st. At time of writing, the pair is trading at 1.4620, marking a 1.48% gain on Wednesday. GBP/USD levels to watch In terms of technical levels, next resistances are seen at 1.4657 (50.0% Fibo retracement of 1.5239-1.4078) and 1.4722 (50-day SMA). On the downside, supports could be found at 1.4383 (Feb 3 low), 1.4357 (20-day SMA), 1.4325 (Feb 2 low) and 1.4227 (Feb 1 low). For more information, read our latest forex news.