The 10 biggest business stories on Friday December 11

Government delays decision on airport expansion ; The Crown Estate is sitting on £800m of vacant London properties; Yahoo CEO Marissa Meyer gives birth to twin girls; Government delays decision on airport expansion, again

Yahoo CEO Marissa Meyer has announced she’s given birth to two twin girls. Mayer wrote in September that she would not be taking much time off after the birth of her children. (GETTY IMAGES)

1. The government delayed on Thursday the politically-charged decision on where to build a new airport runway, prompting angry business leaders to accuse David Cameron's government of putting short-term politics over the long-term national interest.

2. The Crown Estate is sitting on over £800million worth of empty properties in London alone, a City A.M. investigation has revealed, exposing the scale of the developer’s property footprint in the capital.

3. Morgan Stanley has agreed to pay $225 million to settle claims that it sold toxic mortgage-backed securities to credit unions that later failed, the National Credit Union Administration said on Thursday.

4. China is getting a $300 million loan from the Asian Development Bank to help clean up its smog-choked capital.

5. Lloyds has won a court battle that means it can avoid paying about £1 billion ($1.5 billion) in interest to bondholders, including thousands of smaller investors who helped to fund its bailout during the financial crisis, The Times reports.

6. Morrisons has cut the price of unleaded petrol to below £1 a litre, the lowest UK price level, excluding special promotions, since 2009.

7. Yahoo CEO Marissa Meyer has announced she’s given birth to two twin girls. Mayer wrote in September that she would not be taking much time off after the birth of her children.

8. The Chinese billionaire known as “China’s Warren Buffet” chairman of Fosun International , Guo Guangchang is “unreachrable” according to Chinese finance magazine Caixin. Guangchang is chairman of Fosum Internationl which controls the French holiday group Club Med. Shares of two Fosun Group units were suspended.

9. London startup Swiftkey has launched "Symbols" to help people with non-verbal autism communicate.

10. A 1956 red Ferrari fetches a record $28.05 million at Sotheby’s auction in New York, at $14.3 million a 1962 Aston Martin sets a record for a British car while Janis Joplin’s 1964 Porsche fetches $1.76million.