For platinum to surpass the yellow metal for a sustained period, two things would need to happen, said Tom Kendall, head of precious-metals research at Credit Suisse.

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The opinions expressed in this commentary are solely those of Doug Kendall and Tom Donnelly.

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In 2009, with BDA's assistance, he found a team of wine experts to help him realize his vision, including winemaker Tom Hinde, who had made wines for Flowers Vineyard and Winery and Kendall-Jackson Wine Estates.

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