Global gold-backed exchange-traded funds (ETFs) and similar products added 84.5 t, or net inflows of $4.9-billion, across all regions in February, boosting holdings to a new all-time high of 3 033 t, according to new data published by the World Gold Council (WGC) on Thursday. Combined with a gold price increase of nearly 2%, assets under management (AUM) grew 4.4% in dollars during the month, breaching the previous September 2012 record high.