EUROPE — European shares advanced to a one-week high on Tuesday as lower oil prices and declining bond yields supported markets, although concerns about intensifying technology competition and disappointing luxury sales restrained gains.

The pan-European STOXX 600 index increased 0.61% to 639.54 points by 0849 GMT, reaching its highest level since October 6. London’s FTSE 100 rose approximately 0.8%, outperforming other regional indexes as financial stocks provided support.

Falling energy prices helped lift market sentiment after recent increases in oil prices and borrowing costs had heightened concerns about inflation across Europe. The region’s heavy dependence on imported energy leaves it particularly vulnerable to rising fuel costs, which can increase business expenses and reduce consumers’ purchasing power.

Oil prices eased as traders evaluated security risks following attacks on Saudi Arabia and considered the possibility of additional diesel supplies from Russia. Meanwhile, government bond yields in the euro zone and the United States declined as some investors moved toward safer assets amid a global sell-off in technology stocks.

The chemicals sector led the European market’s gains, rising 1.7%. Banking shares climbed 1%, extending their advance for a third consecutive session.

Lauren Hyslop, an investment manager at Mattioli Woods, said markets were balancing resilient corporate earnings against rising borrowing costs. She noted that higher interest rates and bond yields can benefit banks by enabling them to charge more on new loans and improve their interest margins.

Technology stocks fell 0.9%, moving against the broader market trend. The sector remained under pressure following reports of advances by Chinese memory-chip manufacturer ChangXin Memory Technologies, which intensified concerns that China was closing the technological gap with established competitors.

European semiconductor companies also declined. STMicroelectronics, Soitec and Infineon lost between 1.4% and 2.3%, while ASML dropped 1.8%.

Market concerns centered on the possibility that Chinese manufacturers could strengthen their position in memory-chip production. ChangXin has reported progress in developing a denser dynamic random-access memory design and intends to introduce a new server-memory product by the end of the year.

These developments have prompted questions about the competitiveness of established chipmakers, particularly as investment in AI-related infrastructure continues to attract substantial demand.

Luxury stocks also dragged on the market, with the sector falling 1%. LVMH declined 1.3% after its third-quarter sales came in below expectations. Weakening consumer sentiment in China weighed on demand for the group’s Louis Vuitton and Dior brands, underscoring the ongoing challenges facing luxury companies that rely on Chinese shoppers.

Elsewhere, Givaudan, a fragrance and flavour producer, surged 7.4% after reporting third-quarter organic sales that exceeded expectations. Nokia dropped 1.7% after agreeing to sell its Enterprise Campus Edge business to private equity group Aurelius.

Investors were also looking ahead to further corporate earnings announcements and economic data. ASML was scheduled to release its results on Wednesday, while September data from Germany, Europe’s largest economy, were expected later on Tuesday.

The market’s advance reflected the competing forces shaping European equities. Lower energy costs and stronger banking shares supported the broader indexes, while concerns about international technology competition and continued weakness in luxury demand weighed on specific sectors.

Original article