Stocks To Watch: 22nd Century Group Inc (NYSEMKT:XXII), CytRx Corporation (NASDAQ:CYTR), Nanosphere (NASDAQ:NSPH), Pacific Biosciences of California (NASDAQ:PACB)

22nd Century Group Inc (NYSEMKT:XXII) company recently announced that it entered into warrant-amendments with its existing warrant holders to eliminate almost all of the “derivative warrant-liability.” Previously, the company had issued some warrants that had contained anti-dilution provisions. 22nd Century Group Inc (NYSEMKT:XXII) shares after opening at $2.85 moved to $2.94 on last trade day and at the end of the day closed at $2.20. Company price to sales ratio in past twelve months was calculated as 17.56 and price to cash ratio as 22.10. 22nd Century Group Inc (NYSEMKT:XXII) showed a negative weekly performance of -26.67%.

A corporation specialized in biopharmaceutical R&D and oncology; CytRx Corporation (NASDAQ:CYTR) is investing hugely in recent findings to improve the phase of medical procedures. However, while it is slowly moving towards making new investments and carving out new niches, there are some hiccups in the form of litigation that seems to slow down the process a bit. CytRx Corporation (NASDAQ:CYTR) shares fell -7.21% in last trading session and ended the day on $2.96. CYTR return on equity ratio is recorded as -287.90% and its return on assets is -146.40%. CytRx Corporation (NASDAQ:CYTR) yearly performance is 6.09%.

Nanosphere, Inc. (Nasdaq:NSPH), a company enhancing medicine through targeted molecular diagnostics, announced that that an overview of the Company’s business and commercial strategy will be given at the 13th Annual Needham Healthcare Conference, being held at the Westin Grand Central Hotel in New York City from April 8-9, 2014. Nanosphere, Inc. (NASDAQ:NSPH) shares moved down -7.35% in last trading session and was closed at $1.89, while trading in range of $1.85-$2.06. Nanosphere, Inc. (NASDAQ:NSPH) year to date performance is -17.47%.

Pacific Biosciences of California (NASDAQ:PACB) will hold its quarterly conference call to discuss its First Quarter 2014 Financial Results on Wednesday, April 30, 2014, at 4:30pm Eastern Time. Pacific Biosciences of California (NASDAQ:PACB) weekly performance is -13.43%. On last trading day company shares ended up $4.19. Pacific Biosciences of California (NASDAQ:PACB) distance from 50-day simple moving average is -31.74%. Analysts mean target price for the company is $8.00.