Costco Wholesale (NASDAQ:COST) has added platinum to its precious metals' lineup. The company has launched the sale of 1 oz. platinum bars, with a price tag of $1,089.99. A 1 oz. Canada Maple Leaf ...

The range includes two platinum bullion coins, a 1 oz coin and a 1/10 oz coin. Both are struck in 999.5 fine platinum to the Royal Mint’s bullion standard, with face values of £100 and £10 ...