Bluebird's pop from investor presentations may have run its course

|By:, SA News Editor

Shares of bluebird bio (BLUE -18.4%) are down big on a 50% surge in volume after the company wrapped up its third investor presentation this morning at the UBS Healthcare Conference. The stock had been on a tear since the day after its first presentation on May 8 at the Deutsche Bank Health Care Conference, followed by a second presentation on May 14 at Bank of America's Healthcare Conference. Shares peaked at $27.65 on May 20 representing a 59% gain from the May 9 low of $17.40. Shares are still down 58% from the July 17 high of $36.25.