Base Metals: Nickel Ends Higher Investing News Network Aug. 06, 2012 04:35PM PST Base Metals Investing CNBC reported on base metals trading on Monday as nickel rose in the market. CNBC reported on base metals trading on Monday as nickel rose in the market. As quoted in the market news: …nickel closed at $15,805 from $15,625. Click here to read the full CNBC report.