Thursday’s Highlights at Noon: Geron Corp (GERN), Virnetx Holding Corp (VHC), Rex Energy (REXX), Synthetic Biologics Inc (SYN), Cannabis Science Inc (CBIS)

By Carrie Williams

So far Thursday, April 12, NASDAQ is up 1.42% and the S&P is up 0.72%. Here are this morning’s most active stocks: Geron Corp (NASDAQ:GERN), Virnetx Holding Corp (NYSE MKT:VHC), Rex Energy (NASDAQ:REXX), Synthetic Biologics Inc (NYSE MKT:SYN) and Cannabis Science Inc (Other OTC:CBIS).

Geron Corp is up 14.5% in midday trading to $3.79. Shares opened today at $3.31. The company has a 52-week low of $1.74 and a 52-week high of $6.68. On the Street’s front, the average 12-month analyst price target for the stock is $5.50, marking a 66.16% potential upside from current levels. In a report issued on March 19, Piper Jaffray analyst Charles Duncan reiterated a Buy rating on GERN, with a price target of $7, which represents a potential upside of 111% from where the stock is currently trading. Separately, on March 18, Stifel Nicolaus’ Alex Schwartz reiterated a Hold rating on the stock and has a price target of $4.

Virnetx Holding Corp is down -12.4% in midday trading to $4.12. Shares opened today at $4.70. The company has a 52-week low of $2.03 and a 52-week high of $8.75.

Rex Energy is up 11.76% in midday trading to $0.57. Shares opened today at $0.51. The company has a 52-week low of $0.00 and a 52-week high of $0.00. On the Street’s front, the average 12-month analyst price target for the stock is $0.75, marking a 47.06% potential upside from current levels. In a report issued on April 5, RBC analyst Brad Heffern reiterated a Hold rating on REXX, with a price target of $0.75, which implies an upside of 47% from current levels. In the last 30 days, insiders have sold $7,440 worth of REXX shares.

Synthetic Biologics Inc is up 9.4% in midday trading to $0.36. Shares opened today at $0.33. The company has a 52-week low of $0.28 and a 52-week high of $1.05.

Cannabis Science Inc is down -9.33% in midday trading to $0.05. Shares opened today at $0.06. The company has a 52-week low of $0.03 and a 52-week high of $0.14.