Gold just got a very bullish sign from investors who are returning to the precious metal in a big way.
$SPDR Gold ETF (GLD.US)$, the largest bullion-backed ETF, on Friday recorded its biggest net inflow in dollar terms since listing in 2004 -- worth $1.63 billion, according to Bloomberg data.
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Changes in ETF holdings are monitored as a gauge of investor interest in longer-term bets on gold.Hold...