The company has been struggling to survive a tough US retail environment in which customers have been cutting back on non-essential spending.

TikTok argued the ban would trample free-speech rights based on a misguided view that Chinese ownership of the platform poses a national security threat.

Edouard Aubin downgraded the luxury-goods giant to equal-weight on Friday on concern over weakening demand in the sector.

Shares of the beauty retailer rose 6.6 percent in extended trading after the company also beat third-quarter results.