SoftBank mobile subsidiary has bitter debut on Tokyo market SoftBank mobile subsidiary suffers bitter debut on the Tokyo market, slumping 15 percent after it reportedly raised $23 billion

TOKYO -- SoftBank Group Corp.'s Japanese mobile subsidiary suffered a bitter debut Wednesday on the Tokyo Stock Exchange, slumping 15 percent, hurt by a recent service outage and concerns about the use of parts from Chinese telecom giant Huawei.

Shares fetched an opening price of 1,463 yen ($13) and slid further to end their first day at 1,282 yen ($11), down 15 percent from the IPO price of 1,500 yen announced earlier this month.

Company president Ken Miyauchi and four other executives each rang a bell with a wooden hammer at a festive ceremony celebrating the IPO, which sought to raise more than 2 trillion yen ($18 billion).

SoftBank was listing more than 1.7 billion shares, or about one third held by its parent company. Based on the opening price, the company raised 2.6 trillion yen ($23 billion), the record amount for an IPO on the Tokyo burse, Japan's Kyodo news agency reported.

Many Japanese retail investors see IPOs as a way to secure profit because shares usually open higher. SoftBank Corp. is also attracting investors with its promised 85 percent dividend payout, much higher than the average of 30 percent among listed companies.

SoftBank's debut on the exchange saw the company lost one-seventh of its asset value of 7 trillion yen ($62 billion).

"We take the market reaction seriously," Miyauchi told a news conference after the market closed.

He offered an apology at the outset over a recent service outage problem. "We are bracing ourselves as we set sail into the sea in a difficult environment," he said. "We'll take it as a fresh start."

The listing came about two weeks after a service outage attributed to a software problem affected millions of SoftBank mobile customers in Japan. They were unable to text messages, make payments or buy plane tickets via cellphones during the outage, which was resolved after more than four hours, SoftBank executive vice president Junichi Miyakawa told reporters. The outage also occurred simultaneously at foreign carriers using the same Ericsson program in 10 other countries, he said.

The company also recently acknowledged using equipment made by Huawei, which faces restrictions or bans in other countries because of security concerns. The Japanese government's cybersecurity committee recently adopted a guideline banning Huawei products in future purchases of government equipment.

"It would be unavoidable to switch (Huawei) to European vendors in core equipment," Miyauchi said Wednesday. "We are always considering alternatives to hedge risks."

SoftBank Group's chief, Masayoshi Son, has also drawn investor concerns for his relations with Saudi Arabian Crown Prince Mohammed bin Salman after the killing of Saudi journalist Jamal Khashoggi.

About half of SoftBank Group's $100 billion Vision Fund investment money comes from the kingdom. The fund has been investing in solar projects and artificial intelligence.

The parent SoftBank wants to add cash for its investments not linked to Saudi Arabia. It has invested in a range of companies globally, such as U.S. wireless company Sprint, British IoT company ARM and Chinese e-commerce Alibaba.

SoftBank, which created the Pepper companion robot, was founded in 1986 as a software, broadband and fixed-line telecommunications company. It was the first mobile carrier to offer the Apple iPhone in Japan.

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