The 10 biggest business stories on Tuesday February 9

Asian stocks in turmoil amid heightened fears of new global recession; Google CEO gets $199m payday; Tui Group hit by 40% fall in Turkish holiday bookings

A man tries to take pictures of an electric quotation board flashing the Nikkei key index of the Tokyo Stock Exchange (TSE) in front of a securities company in Tokyo on February 9, 2016. Tokyo shares plunged more than five per cent on February 9, extending a global equities bloodbath as a sharp rise in the yen hammered exporters and fears over the state of the global economy fuelled a rush to safe investments. (TORU YAMANAKA/AFP/Getty Images)

1. Tokyo shares fell sharply in Tuesday trading, following tumbling markets across Europe and the US. The Nikkei 225 closed down 5.4 per cent at 16,085.44. It was its worst one-day fall since mid-2013.

2. HSBC will decide this week whether it will move its headquarters out of London, according to reports in The Telegraph that say HSBC is erring on the side of staying put.

3. Deutsche Bank said it has “sufficient” reserves to make due payments this year on AT1 securities, seeking to calm investors after its shares plunged almost 10 per cent on Monday.

4. Redrow, a British housebuilder and general construction company, saw a 14 per cent jump in pre-tax profits to £104 million in the last six months of 2015. Revenue was up 8 per cent to £603 million. Chairman Steve Morgan said in a statement that it was an “outstanding” six months.

5. The number of train tickets sold last year rose 3.8 per cent, according to the Rail Delivery Group (RDG). The organisation that represents train operators and Network Rail said there were 1.7 billion journeys made in the UK between 4 January 2015 and 9 January 2016.

6. Tui Group has reported a 40 per cent slump in summer holiday bookings to Turkey following the continued fighting and migrant crisis in neighbouring Syria. Despite the fall, Tui expects underlying annual profit growth of 10 per cent.

7. Michael Bloomberg confirmed his presidential plans. The media mogul told the Financial Times that he considers the current state of the race to be “an outrage and an insult to the voters.”

8. Twenty-First Century Fox reported lower-than-expected quarterly revenue, mainly due to a decline in DVD sales from a year ago, when “X-Men: Days of Futures Past” and “Dawn of the Planet of the Apes” were released for home viewing. The company's shares were down about 2.5 per cent in after-hours trading on Monday.

9. Twitter shares hit an all-time low on Monday, falling below $15 for the first time. The stock plunged as low as $14.87 shortly after Nasdaq opened. This is a 72.20 per cent dip, or $38.62 per share, from the 52-week high of $53.49 set in April 8, 2015.

10. Sundar Pichai, the chief executive of Google, has been awarded $199 million (£138m) worth of shares, making him the highest paid chief executive in the US.