Hot Stocks Of The Day (CF, CHTP, NSPH, BMC, FSM)

CF Industries Holdings, Inc. (NYSE:CF) shares increased 1.88% to $197.07 in the morning hour after Standard & Poor's Ratings Services enhanced CF Industries Holdings into investment-grade territory, citing the company’s recent operating performance and leverage-related metrics. The company's rating was raised to triple-B-minus from double-B-plus, placing it one notch into investment grade. The outlook is stable.
 
Chelsea Therapeutics International Ltd. (NASDAQ:CHTP) stock plunged 42.25% to $0.843 in the early hour after the company announced that it has received a written response from the U.S. Food and Drug Administration (FDA) to Chelsea's modified proposal for utilizing data from ongoing Study 306B to support its application for marketing approval of Northera (droxidopa) in the U.S.
 
Nanosphere, Inc. (NASDAQ:NSPH) stock soared 27.38% to $3.21 in the early hour after the company announced that U.S. Food and Drug Administration has granted a de novo petition permitting marketing of its Gram-Positive Blood Culture Nucleic Acid Test or BC-GP on the automated sample-to-result Verigene System. The test will help fast detection of bacteria in bloodstream infections.
 
Additionally, the shares of the company was upgraded by research analysts at Jefferies Group from a “hold” rating to a “buy” rating in a report released today.  
 
BMC Software, Inc. (NASDAQ:BMC) stock fell 0.49% to $42.37 in the morning hour after the company has reached an agreement with Elliott Associates, L.P. and Elliott International, L.P., funds affiliated with Elliott Management Corporation in connection with the Company's 2012 Annual Meeting of Stockholders scheduled for July 25, 2012. Under the terms of the agreement, the BMC Board of Directors has increased the size of the Board to 12 directors, effective as of the 2012 Annual Meeting.
 
Fortuna Silver Mines Inc Ordinary Shares (Canada) (NYSE:FSM) shares climbed 7.27% to $3.69 in the early hour after the company provided an update of Brownfields exploration results at the San Jose Mine in Oaxaca, Mexico and the Caylloma Mine in Arequipa, Peru. In addition, generative activities have identified significant untested epithermal systems in the Tlacolula area in Oaxaca and in the Cerro Vilafro area at Caylloma.