Shares of Halozyme (HALO) shoot up 29% premarket after the firm announces positive results from...

|About: Halozyme Therapeutics, Inc. (HALO)|By:, SA News Editor

Shares of Halozyme (HALO) shoot up 29% premarket after the firm announces positive results from a Phase 3 HannaH trial of its breast cancer treatment, Herceptin, given by subcutaneous injection.