Must Watch These 5 Stocks: Banco Santander, S.A. (NYSE:SAN), Southwest Airlines Co. (NYSE:LUV), Medidata Solutions (NASDAQ:MDSO), Iron Mountain (NYSE:IRM), Atlatsa Resources (NYSEMKT:ATL)

Banco Santander, S.A. (NYSE:SAN) has been given a “BBB” credit rating by analysts at Morningstar. The firm’s “BBB” rating suggests that the company is a moderate default risk. They also gave their stock a four star rating. Banco Santander, S.A. (NYSE:SAN) belongs to Financial sector. Its net profit margin is 19.10% and weekly performance is -7.23%. On last trading day company shares ended up $8.34. Banco Santander, S.A. (NYSE:SAN) distance from 50-day simple moving average (SMA50) is -3.89%.

On Dec 11, Southwest Airlines Co. (NYSE:LUV) said expects its fuel cost to be $2.30 to $2.40 per gallon in 2015, based on current oil prices and the airline’s fuel hedging position, Chief Executive Officer Gary Kelly said on Thursday. Southwest Airlines Co. (NYSE:LUV) shares decreased -1.22% in last trading session and ended the day at $41.41. LUV Gross Margin is 62.50% and its return on assets is 5.80%. Southwest Airlines Co. (NYSE:LUV) quarterly performance is 22.48%.

Medidata Solutions (NASDAQ:MDSO) Insider Steven Isaac Hirschfeld sold 22,075 shares of the stock in a transaction that occurred on Thursday, December 4th. The stock was sold at an average price of $42.53, for a total value of $938,849.75. On 12 December, Medidata Solutions, Inc. (NASDAQ:MDSO) shares increased 0.34% and was closed at $44.01. MDSO EPS growth in last 5 year was 17.30%. Medidata Solutions, Inc. (NASDAQ:MDSO) year to date (YTD) performance is -27.26%.

Australian data management solutions provider Recall Holdings Ltd. said Monday its board of directors have unanimously rejected a non-binding indicative acquisition offer from larger U.S. peer Iron Mountain, Inc. (NYSE:IRM), saying the offer materially undervalues it. Iron Mountain Inc. (NYSE:IRM) belongs to Technology sector. Its net profit margin is 12.90% and weekly performance is -2.38%. On last trading day company shares ended up $36.44. Iron Mountain Inc. (NYSE:IRM) distance from 50-day simple moving average (SMA50) is 3.37%.

Shares of Atlatsa Resources Corp (NYSE:ATL) saw a significant growth in short interest in November. As of November 28th, there was short interest totalling 171,150 shares, a growth of 47.7% from the November 14th total of 115,842 shares, ARN reports. Atlatsa Resources Corporation (NYSEMKT:ATL) shares increased 10.56% in last trading session and ended the day at $0.18. ATL Gross Margin is -12.90% and its return on assets is 28.50%. Atlatsa Resources Corporation (NYSEMKT:ATL) quarterly performance is -46.39%.