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

"We own several stocks in our portfolio that are selling for less than their book value and with a P/E ratio of less than 5 -- but the prize among bargains is
Southern Peru Copper

