The trading update from LVMH, the first major luxury player to report third-quarter results, is likely to heighten concerns that the $350 billion industry, mired in a three-year slowdown, will struggle to regain momentum.
Organic sales, which strip out currency swings, came in at €18.5 billion ($20.7 billion), missing analysts' expectations for growth of 1.3%, according to a Visible Alpha consensus.
"In the third quarter specifically, Asia was penalised by a sharp macro-led deterioration in Chinese consumer sentiment, with a tangible impact on discretionary expenses," Chief Financial Officer Cecile Cabanis told analysts.
Sales in Asia, dominated by China, fell 5% from a year earlier, while sales in the US rose 5%. Europe's leading luxury groups have lost around €330 billion in market value since the start of the year, with LVMH alone shedding roughly 40%.
China's tax crackdown on wealthy individuals has become the latest headache for luxury brands, which are already grappling with the fallout from the Iran war and signs of slowing consumer spending in the US.
LVMH's fashion and leather division is dominated by Louis Vuitton, which has faced a backlash in China over a copyright dispute with tea chain Molly Tea. The dispute, over a logo resembling the floral motif on Louis Vuitton's signature monogram handbags, drew criticism on social media.
LVMH's US-listed shares fell nearly 3% after the trading update was published.