Shares, which slid as much as 4.2%, pared most of the losses to trade down 0.9% at 11:34 a.m. in Paris. Listen to the Here’s Why podcast on Apple, Spotify oranywhere you listen.

What is it? Why, it's the Chinese luxury goods conspiracy, Charlie Brown! If you don't already know what we're talking about, the videos in question feature a pretty standard format: ...