Take a look at some of Tuesday's midday movers:
Cree hit a 52-week high after the light-bulb maker raised its current quarter guidance and announced a new light-emitting diode (LED) bulb.
Electronic Arts hit a 52-week high after the videogame publisher announced that SimCity is now available on PC at retail stores.
Walgreens traded lower after the drugstore chain reported February sales fell 2.2 percent from the year ago period.
Sears Holdings rallied sharply. According to a regulatory filing, Chairman & CEO Eddie Lampert purchased 1.2 million shares of the retailer for $44.36 per share in March.
Qihoo 360 Technology jumped to a new 52-week high ahead of the company's earnings after the bell.
Home Depot also hit a new record high before turning lower.
And troubled retailer JCPenney hit a new 52-week low.
—By CNBC's Lori Spechler
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