FTSE 100 drops struggling British luxury brand [Video]

LONDON — British luxury fashion house Burberry Group dropped out of the U.K.’s FTSE 100 stock market index on Wednesday, as waning sales and a slew of management changes have added to the mounting pressures facing the 168-year-old retailer.

The company slipped into the FTSE 250 during September’s quarterly rebalancing, index provider FTSE Russell said in a statement, bringing its 15-year run in the U.K. large-cap FTSE 100 blue-chip index to a close.

The changes will be implemented at the close of trade on Sept. 20 and will take effect from Sept. 23.

The relegation deals a fresh blow to Burberry, whose share price has suffered a precipitous decline over recent months as the brand has fallen out of favor with consumers amid a wider slowdown in the luxury market.

The stock is …