Take a look at some of Friday's midday movers:

Chipotle’s disappointing earnings report dragged down other food and restaurant stocks. Whole Foods , Panera Bread , Brinker and Buffalo WildWings all moved lower.

Kayak jumped almost 30 percent as the travel booking website operator made its Wall Street debut.

Palo Alto Networks did even better, soaring more than 39 in its debut. The company is a provider of Web security for businesses.

Apple moved lower after Bernstein analyst Tony Sacconaghi said there was a reasonable probability the company would miss third quarter sales.

Morgan Stanley slipped after CNBC’s Kate Kelly reported the company is in advanced talks with Sovereign Wealth Fund over its commodities unit. Earlier analyst Mike Mayo upgraded the stock two notches to "outperform."

Celgene fell after a European advisory panel decided not to recommend approval of its treatment for t-cell lymphoma. The company said it would appeal.

Vivus losing ground for the second-consecutive day after Citron Research raised questions about its patent protection for its recently approved obesity drug.

NVR rebounded following a 14-percent earnings drop Thursday. Several analysts called the drop-off overdone.

ONXX News & Analysis

 UPDATE 2-U.S. FDA panel votes against Aveo's kidney cancer drug - 02 May 2013 EDT

 RPT-UPDATE 1-FDA staff to ask expert panel if new trial needed for Aveo drug - 30 Apr 2013 EDT

 UPDATE 1-FDA staff to ask expert panel if new trial needed for Aveo drug - 30 Apr 2013 EDT

 FDA staff to ask expert panel if new trial needed for Aveo drug - 30 Apr 2013 EDT

 UPDATE 2-U.S. FDA staff question whether Aveo drug needs new trial - 30 Apr 2013 EDT

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