This week we provide you with gold, silver and platinum charts.

本周，我们向您提供黄金、白银和白金的走势图。

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An upward trend is definitely in place for oil, and also for copper, silver and platinum, among others.

石油的上升趋势绝对已经形成，铜、银和铂等大宗商品也是如此。

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So platina is like a diminutive of silver, but we now know that platinum is far superior to silver It is far more noble. It has a higher melting point, a higher chemical inertness, a fantastic metal.

所以普拉塔就像一个小小的银，但我们现在知道普拉塔比银要好很多,更为珍贵，熔点更高，化学惰性更高，是一种非常不可思议的金属。

麻省理工公开课 - 固态化学导论课程节选

For example, it might buy platinum and sell silver, or buy a thirty-year U.K. bond and sell a ten-year bond.

NEWYORKER: Mastering the Machine

The net length of large speculators also fell for silver, platinum and copper.

FORBES: FOCUS: CFTC: Large Specs Slash Gold Net-Long Position Again; Short-Covering Potential Seen

This is typical of the many physically backed ETFs already in existence for gold, silver and platinum group metals.

FORBES: FOCUS: Proposed Van Eck Gold, Silver ETFs Would Allow Redemptions Of Metal