 Shares of Absci Corp. ABSI, -12.78 skyrocketed 59.1 on heavy volume in premarket trading Friday, after the biotechnology company said it could be eligible to receive up to 610 million in upfront fees and milestone payments from Merck Co. Inc. MRK, -0.06 as part of a research collaboration agreement. Trading volume ballooned to 9.7 million shares, compared with the full-day average of about 324,800 shares, to make the stock the biggest gainer and most actively traded ahead of the open. 