Take a look at some of Wednesday's midday movers:
Chipotle Mexican Grill fell following a weaker-than-expected earnings forecast. The restaurant operator cited higher food and marketing costs in its fourth quarter as reasons for the warning.
Genworth Financial soared following a plan to separate its mortgage insurance business from the parent company.
Yelp was lower again after being cut to "underperform" from "market perform" at Northland Capital with a reduced price target of $16.50. Yelp has been under pressure since Facebook's "Graph Search" tool was announced Tuesday and is being seen as increased competition for the social marketing website.
And Constellation Brands traded up to a 52-week high. Buckingham Research initiated coverage of the beer marketing company with a "buy" rating and a price target of $46 per share.
—By CNBC's Lori Spechler
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