LONDON — European stock markets snapped back in midmorning trading Wednesday, making small gains one day after two terrorist attacks left more than 30 dead in Brussels.

According to the BBC, citing Belgian media, one of the airport attackers, Najim Laachraoui, has been arrested. He was already being sought in connection with the November carnage in Paris that claimed 130 lives.

The DAX in Frankfurt led the uptick, rising 0.8 percent to 10,073.73, while the CAC 40 in Paris advanced 0.5 percent to 4,454.81 and the FTSE MIB in Milan rose 0.4 percent to 18,771.82. The FTSE 100 in London was up 0.2 percent to 6,201.35.

The euro traded at $1.12 while the pound fetched $1.43 and the Swiss franc equaled $1.03 at 11:15 a.m. CET.

Retail and luxury stocks also rebounded, with the morning’s biggest gainers including Zalando, 4 percent to 29.27 euros;, 1.9 percent to 0.43 pounds;, 1.7 percent to 31.29 pounds; Luxottica Group, 1.7 percent to 49.71 euros; and Hermès International, 2.6 percent to 319.30 euros as it reported a 13.2 percent gain in 2015 profits.

Among the few stocks that lost ground were Mulberry Group, 1.2 percent to 9.75 pounds; Jimmy Choo, 2 percent to 1.32 pounds; and Tesco, 1.3 percent to 1.99 pounds.

Brussels went into lockdown following the blasts at Belgium’s main airport and at a metro station in the city center. The country is observing three days of mourning, while a minute’s silence will be held at 12:00 noon CET to remember the victims.

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