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October 18, 2013  Fri 7:31 AM CT

GOOG: SEE CHART GET CHAIN FIND STRATEGIES

Mobile Business Gaining Momentum

Google reported third-quarter profit of $10.74 a share on revenue of $14.9 billion. Analysts had only expected $10.34 and $10.8 billion, respectively. That has GOOG higher by 9 percent before the opening bell on my tradeMONSTER platform.

Continued Downside at Intuitive Surgical

Intuitive Surgical's $3.99-a-share profit beat the $3.40 consensus number, but revenue of $499 million lagged the $526 million average estimate. Weaker sales of its da Vinci systems continue to drag on results, and ISRG is down 8 percent in early trading.

Align Technology Climbs on Strong Results

Align Technology earned $0.42 a share, beating the $0.30 estimate. Revenue of $164.5 million also topped the $158.6 million Street number. ALGN is up 15 percent in the premarket.

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The Movement of Delta

In our last column, we spoke about delta. You might remember that we discussed what delta was and what factors affected or changed delta. As you recall, we stated that three factors will have an effect on delta. They were movements of time, volatility, and underlying price. Today, we want to take a further look into the change of delta, this time focusing on change due to the movement in the underlying price. 

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