Cellnex to buy Arqiva's telecoms division for 2 bln pounds with a share capital increase . Spanish wireless infrastructure operator Cellnex said on Tuesday that it had reached an agreement to buy Arqiva's telecoms division for 2.0 billion pounds ($2.46 billion).

UPDATE 1-Sorrell's S4 Capital content arm buys Firewood ad agency in digital push . S4 Capital's content unit, MediaMonks, is set to merge with Silicon Valley's biggest independent agency, Firewood, as the Martin Sorrell advertising vehicle ramps up its digital push and raises funds to expand.

S.Korean stocks rise over 1% on Samsung's profit outlook; trade talks eyed . Round-up of South Korean financial markets:

UPDATE 3-Strong smartphone sales raise hopes of Samsung turnaround . Q3 operating profit tipped to tumble 56% to 7.7 trillion won

Tokyo shares rebound; chip-related shares jump on Samsung's Q3 guidance . Japanese shares bounced back on Tuesday ahead of high-level Sino-U.S. talks this week to resolve a damaging trade war, with semiconductor-related firms leading the gains after Samsung flagged a slightly better than expected third-quarter profit.

Sports brand Vans removes Hong Kong sneaker in design competition . U.S. sports brand Vans removed "a small number" of submissions in a global sneaker design competition, including one featuring a yellow umbrella and people wearing helmets and masks, as the company distanced itself from months-long protests in Hong Kong.

Struggling luxury TV and stereo maker Bang & Olufsen hires new CEO . Danish TV and speaker maker Bang & Olufsen said on Tuesday that former vice president at Logitech Kristian Tear would replace Henrik Clausen as chief executive with immediate effect.

UPDATE 1-S.Korea's Hanwha likely to win from surveillance rivals' blacklisting -industry experts . South Korean video surveillance provider Hanwha Techwin stands to gain the most from the U.S. blacklisting of China's Hikvision and Dahua, an industry expert and insider said, as rivals sit poised to snatch share from the besieged market leaders.

UPDATE 5-U.S. widens blacklist to include China's top AI startups ahead of trade talks . Hikvision, top startups SenseTime and Megvii included on list

S.Korea's Hanwha likely to win from surveillance rivals' blacklisting -industry experts . South Korean video surveillance provider Hanwha Techwin stands to gain the most from the U.S. blacklisting of China's Hikvision and Dahua, an industry expert and insider said, as rivals sit poised to snatch share from the besieged market leaders.