Exicure (NASDAQ: XCUR), a clinical-stage biotechnology company specializing in next-generation stem-cell mobilization therapies, has staged a massive rally as investors reacted to the company’s new breakthrough products.Ahead of the market open on December 9, XCUR shares surged 70% in pre-market trading to about $9. The spike followed months of steep declines, with the stock closing the previous session at$5.33, down 64.89% year to date.Exicure YTD stock price chart. Source: Google Finance The early-mornin ...