Teck Cominco (NYSE: TCK) closed at $14.04. TCK, a metals producer, announced on May 5 it issued $4.255 billion in long term bonds. TCK June and August option implied volatility of 84 is below its 26-week average of 111, according to Track Data, suggesting decreasing price movement.
Rio Tinto (NYSE: RTP) closed at $183.66. RTP, the world's third-largest mining company, was upgraded to Overweight from Equalweight at Barclays Capital. RTP June option implied volatility of 70 is below its 26-week average of 85, according to Track Data, suggesting decreasing price movement.
Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com
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