Midday Movers: MNST, DG, GIII & More

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

Monster Beverage was the best performer on the S&P 500 after the energy beverage maker's CEO said during the annual shareholders meeting that sales have been improving.

Dollar General was the worst performer on the S&P 500 index after the retailer's full-year outlook disappointed.

G-III soared to its 52-week high after the apparel maker reported better-than-expected earnings and raised full-year earnings guidance. G-III Apparel price target was increased to $54.50 from $52 at Brean Capital, with a "buy" rating.

Viacom was higher after announcing a multi-year deal with Amazon to stream hundreds of shows to Amazon customers.

Gamestop continued its recovery, posting gains more than 12 percent so far this week.

J.C. Penney spiked higher at midday.

S&P 500 technology stocks at 52-week highs included Microsoft, Applied Materials and Microchip Tech. Cerner traded up to a new record high along with Target and Seagate Technology. Meanwhile, no S&P 500 stock made a new 52-week low or record low.

—By CNBC's Lori Spechler

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