The stock market is still reeling from its worst week since the 2008 financial crisis and no one knows what this week will bring, but the coronavirus already has hit some companies particularly hard.

Publically traded travel-related companies are among those faring the worst, according to S&P 500 data.

Following are the 10 companies that took the worst hit in stock prices between Feb. 17 and Feb. 29, during which the spread of the coronavirus reverberated across the globe. The listings of each company include the percentage drop each company’s stock price, followed by its current dividend yield.

10. Haliburton Company