Michael Kors shares gets bagged; Keurig cools down; Twitter jumps on Google deal talk

Kathy Cherpelis

Some stocks on the move in early trading.

Anthem  (ANTM) shares were lower ahead of the open. The nation's second largest health insurer said it was hit by a massive data breach. Hackers broke into the company's database containing personal information, such as names and social security numbers, for about 80-million past and current customers.  But Anthem said it didn't appear that credit card and medical information was compromised.

Hospira (HSP) shares soared in early trading. Pfizer (PFE) is buying the provider of injectable drugs in a deal valued at a little over $15 billion, or $90 a share in cash.  Shares of Pfizer are also higher on the news before the bell.

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Michael Kors (KORS) stock fell in the pre-market.  The luxury brand retailer lowered its outlook for its current quarter after same-stores sales in North American came in weaker-than-expected.  However, earnings and revenue for its previous quarter topped expectations.

Keurig Green Mountain (GMCR) shares fell before the bell. The maker maker of K-Cup single-serve coffee pods cut its outlook for the year citing currency headwinds.  The company also reporting earnings and revenue that missed estimates due to disappointing sales of its brewing systems during the holiday quarter.

Dunkin' Brands (DNKN) shares were higher in early trading. The owner of Dunkin' Donuts and Baskin Robbins chains issued a disappointing outlook for the year after reporting sales growth in its U.S. stores slowed last quarter. Earnings per share also missed estimates, but revenue was slightly better than forecasts, up more than 5% from a year earlier.

Twitter (TWTR) shares jumped ahead of the bell on reports the micro-blogging company is teaming up with Google in a deal that will make it easier for Tweets appear in Google's search results. Google Class C (GOOG) shares are moving higher as well. Twitter is scheduled to report quarterly earnings after the close of trading today.