Shares of Zai Lab Ltd (ZLAB) plunged 10.95% in pre-market trading on Thursday, following the release of its second-quarter earnings report. The biopharmaceutical company's results painted a mixed picture, with narrower losses overshadowed by a substantial revenue miss that left investors disappointed.

For the quarter ended June 30, Zai Lab reported a loss of $0.37 per American Depository Share, a notable improvement from the $0.82 loss per share in the same period last year. This surpassed the analyst consensus estimate of a $0.40 loss per share. However, the company's revenue of $109.977 million, while up 9.43% year-over-year, fell significantly short of analyst expectations of $125.628 million, missing the mark by 12.46%.

The market's negative reaction appears to be primarily driven by the considerable revenue shortfall, which has raised concerns about Zai Lab's growth trajectory. Despite the narrower losses, investors seem to be focusing on the company's ability to meet future revenue targets and progress towards profitability. As Zai Lab continues to navigate the challenging biopharmaceutical landscape, market participants will likely keep a close eye on its performance in upcoming quarters.