LONDON, June 30, 2014 /PRNewswire/ --

On Friday, June 27, 2014, the NASDAQ Composite ended at 4,397.93, up 0.43%, the Dow Jones Industrial Average edged 0.03% higher to finish the day at 16,851.84, and the S&P 500 closed at 1,960.96, up 0.19%. The gains were broad based with seven out of ten sectors ending the session in positive. The S&P 500 Health Care Sector Index ended the day at 707.06, down 0.21%, whereas the index has advanced 4.44% in the previous three months. Investor-Edge has initiated coverage on the following equities: Keryx Biopharmaceuticals Inc. (NASDAQ: KERX), Thoratec Corp. (NASDAQ: THOR), Unilife Corp. (NASDAQ: UNIS) and VIVUS Inc. (NASDAQ: VVUS). Free technical research on KERX, THOR, UNIS and VVUS can be downloaded upon signing up at:

http://www.investor-edge.com/4332-register

Shares in Keryx Biopharmaceuticals Inc. edged 0.19% higher to close the day at $15.51. The stock recorded a trading volume of 1.96 million shares, below its three months average volume of 2.20 million shares. The company shares oscillated between $15.37 and $15.80 during the session. Over the last three trading sessions and over the past one month, Keryx Biopharmaceuticals Inc.'s shares have advanced 3.13% and 17.86%, respectively. Further, the stock has gained an upside 19.77% since the start of this year. The company's stock is trading above its 50-day and 200-day moving averages of $13.87 and $13.44, respectively. Additionally, shares of Keryx Biopharmaceuticals Inc. have a Relative Strength Index (RSI) of 73.14. Sign up today to read free research on KERX at:

http://www.investor-edge.com/4332-KERX-30Jun2014.pdf

On Friday, Thoratec Corp.'s stock recorded a trading volume of 0.62 million shares, higher than its three months average volume of 0.55 million shares. The stock ended the day at $34.93, which was 1.39% above its previous day's closing of $34.45, and registered an intraday range of $34.23 and $34.98. Shares of the company traded at a PE ratio of 25.44. Although Thoratec Corp.'s stock has lost 4.56% on YTD basis, it has advanced 2.13% in the previous three trading sessions and 5.43% in the last one month. The stock is trading above its 50-day moving average of $33.06, while the 50-day moving average is below its 200-day moving average of $36.23. Furthermore, Thoratec Corp.'s stock has an RSI of 64.46. Sign up today to read free research on THOR at:

http://www.investor-edge.com/4332-THOR-30Jun2014.pdf

Unilife Corp.'s stock finished the Friday's session 1.06% higher at $2.87. A total of 1.30 million shares were traded, which was above its three months average volume of 1.02 million shares. The stock vacillated between $2.78 and $2.89 during the session. Over the last one month and over the previous three months, Unilife Corp.'s shares have fallen by 3.69% and 27.89%, respectively. Additionally, from the beginning of 2014, the company's stock has lost 34.77%. The stock is trading below its 50-day and 200-day moving averages of $3.02 and $3.74, respectively. Moreover, Unilife Corp.'s stock has an RSI of 44.58. Sign up today to read free research on UNIS at:

http://www.investor-edge.com/4332-UNIS-30Jun2014.pdf

On Friday, VIVUS Inc.'s stock fluctuated between $5.03 and $5.22 before ending the session 2.96% higher at $5.22. The stock reported a trading volume of 2.51 million shares, below its three months average volume of 2.90 million shares. VIVUS Inc.'s shares have advanced 1.75% in the previous three trading sessions and 1.95% in the last one month, while the stock has lost 42.51% on YTD basis. The company's shares are trading above their 50-day moving average. Moreover, the stock's 200-day moving average of $7.50 is greater than its 50-day moving average of $5.10. Shares of VIVUS Inc. have an RSI of 52.65. Sign up today to read free research on VVUS at:

http://www.investor-edge.com/4332-VVUS-30Jun2014.pdf

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