Tracking grocery prices

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Here’s a link to free charts on futures instruments. I like to look at these weekly to anticipate grocery prices such as rice, orange juice, and bacon (pork bellies) so I can stock up in advance if it looks like prices are rising. It's also useful for tracking currency exchange rates if you are planning to travel abroad. It's even useful for futures traders!
http://futures.tradingcharts.com/menu.html

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