Why is Worley stock sliding today?

Recent market activity shows a decline in the stock prices of both Worley and Alibaba. Worley is experiencing a slide in its share value today. Simultaneously, Alibaba's stock listed in Hong Kong is also facing a downward trend. These developments indicate a negative movement for both companies within their respective trading environments. The reports focus on the current sliding status of these specific equities without providing further external market context or long-term financial projections.