Silver price (XAG/USD) struggles to extend its upside above the key resistance of $32.40 in Wednesday’s North American session.Silver price (XAG/USD) struggles to extend its upside above the key resistance of $32.40 in Wednesday’s North American session. Silver price (XAG/USD) struggles to extend its upside above the key resistance of $32.40 in Wednesday’s North American session. Read More FXStreet Forex & Commodities News