Why Is Westport (WPRT) Down 0.6% Since Last Earnings Report?

Westport Innovations (WPRT) shares are down about 0.6% since its most recent earnings report, even as the move has slightly outperformed the S&P 500. In the quarter ended in 2026, Westport reported a wider-than-expected loss of 53 cents per share versus the Zacks Consensus estimate of 45 cents. Revenues were $2.72 million, down 78.3% year over year but ahead of the $2 million estimate by 44.5%. The operating loss widened to $7.21 million from $1.01 million due to warrant-liability revaluation, financing costs, and foreign exchange losses, while Cespira’s revenue rose 125% to $27.07 million.