52-Week High:

• NPS Pharmaceuticals (Nasdaq: NPSP) $46.01. NPS Pharmaceuticals slightly higher Monday after it announced that the U.S. Food and Drug Administration (FDA) has approved Natpara as an adjunct to calcium and vitamin D to control hypocalcemia in patients with hypoparathyroidism.

• American Airlines (Nasdaq: AAL) $56.20. American Airlines moving to new highs early, though the company's need to cancel flights due to the winter storm in the Northeastern U.S. is tempering some enthusiasm.

• Lowe's Companies Inc. (NYSE: LOW) $70.34. Lowe's gaining amid the winter storm hitting New York and surrounding areas today. While the company may be gearing up for the sping season, there's still plenty of winter invetory that the retailer should be able to clear out as consumers look to manage the massive amount of snow that is expected to fall within the next few days.

52-Week Low:

• Mattel, Inc. (Nasdaq: MAT) $24.88. Mattel hit today as company CEO Bryan G. Stockton resigned and preliminary Q4 results came in below expectations. For the fourth quarter, the Company reported net income of $149.9 million, or $0.44 per share, which includes a negative impact of $0.05 per share from MEGA Brands integration costs1 and a negative tax impact of $0.03 per share, compared to net income of $369.2 million, or $1.07 per share, in the fourth quarter of 2013. Worldwide net sales in the fourth quarter were $1.99 billion, down 6%, including an unfavorable impact from changes in currency exchange rates of 3 percentage points, compared to $2.11 billion last year. (The Street sees Q4 revs of $2.12 billion and EPS of $0.92.)

• Warren Resources (Nasdaq: WRES) $1.05. Warren Resources announced expected total production volumes for the full year 2014 and updated its capital budget and production guidance for the full year 2015. While year-end audited financials are not yet complete, Warren estimates production for the full year 2014 grew 77% year-over-year to approximately 22.8 billion cubic feet of equivalent ("Bcfe"), approximately 70% of which is natural gas. This production growth is primarily attributable to increased volumes resulting from the acquisition of the Marcellus assets in the third quarter of 2014. With the ongoing volatility in commodity and capital markets, Warren is revising its 2015 capital budget lower to approximately $21 million from the Company's preliminary $80 million budget released in early December 2014.

• National Bank of Greece S.A. (NYSE: NBG) $1.48. National Bank of Greece lower Monday following news that Alexis Tsipras became Greece's new prime minister. Tsipras is a member of Greece's far-left Syriza party. Tsipras has vowed to renegotiate the country's bailouts, which total €240 billion (about $268 billion). After all votes are counted from Sunday's election, the Syriza party should have 149 sets in the Greek parliament, just two shy of an absolute majority.