Pre-market Movers For May 21 (BBY, QCOM, CALA, CRM, OCR, CVS, DLTR, SMRT, NTAP)

(RTTNews) - Gainers:

Best Buy Co., Inc. (BBY) is gaining 8 percent to $36.50 as the company's first quarter results topped Street view.

QUALCOMM, Inc. (QCOM) is up 1 percent to $70.27 based on the news about accelerated share repurchase agreements with two financial institutions to repurchase an aggregate of $5.0 billion of common stock.

Calithera Biosciences, Inc. (CALA) is jumping 20 percent to $13.00. The company announced that it is very encouraged by the early clinical data from its lead, first-in-class program CB-839 in patients with acute leukemia.

Salesforce.com, Inc. (CRM) is 5 percent to $73.85. The company swung to a profit in its first quarter, while its adjusted earnings per share and revenue were above Wall Street view. The company also raised its fiscal year 2016 guidance.

Omnicare Inc. (OCR) is gaining 1 percent to $95.72. CVS Health Corp. (CVS) has agreed to acquire Omnicare for $98 per share in cash, for a total enterprise value of $12.7 billion, including $2.3 billion in debt. CVS is up 1 percent to $102.75.

Decliners:

Dollar Tree, Inc. (DLTR) is down 4 percent to $73.00. The company's first quarter earnings and sales were below Wall Street view. The company also provided weak forecast for its second quarter and full-year.

Stein Mart Inc. (SMRT) is falling 3 percent to $11.25. The company's first quarter profit declined from the year-ago quarter and missed Street view. Total sales increased 7.5 percent and came above the consensus estimate.

NetApp, Inc. (NTAP) is falling 12 percent to $30.83. The company's fourth quarter earnings and revenues declined from the year-ago quarter and were below analysts expectations. The company also forecast first quarter results sharply below Street view.