VBL Therapeutics Inc.’s phase III study of its gene therapy, ofranergene obadenovec, in treating ovarian cancer missed its primary endpoints, prompting the company to discontinue the trial and investors to pull way back. Shares of the Tel Aviv, Israel, and New York-based company’s stock (NASDAQ:VBLT) plunged 79% on July 20 to close at 43 cents per share. The $1.62 per share drop in value made it a penny stock. VBL shares hit their high on Nov. 8, closing at $2.53 each. Top-line data for ofra-vec, also known as VB-111, showed no statistically significant improvement in progression-free survival or overall survival.

GSK plc, formerly Glaxosmithkline plc, has begun a significant new chapter in its history with the spin-off this week of its consumer business known as Haleon plc. While the high-profile new listing of Weybridge, Surrey-based Haleon (LON:HLN), the largest in Europe in a decade, grabbed the headlines, investors are keeping a sharp eye on GSK now that it is free to focus on developing and marketing novel drugs.