The 10 biggest business stories on Friday December 4

JD Wetherspoon customers hit by hacking attack; ECB disappoints traders with weaker than expected stimulus; Rail fares set to increase by 1.1 per cent in 2016

The rise is set to take the overall increase in fares to around 24.7 per cent since 2010 (Getty Images)

1. The European Central Bank on Thursday ramped up efforts to stimulate the sluggish eurozone economy, but the measures fell far short of what investors had expected and stocks took a painful tumble.

2. Rail fares will rise by an average of 1.1 per cent from January 2, 2016, rail industry body the Rail Delivery Group (RDG) has announced.

3. US Federal Reserve chairwoman Janet Yellen has told Congress that the economy is reaching a point where it can handle an interest rate rise.

4. British pub chain JD Wetherspoon said it was taking action after discovering that a small number of its customer and staff details may have been accessed by cyber-attacks.

5. Facebook CEO Mark Zuckerberg posted an explainer on why he is giving his fortune to an LCC instead of foundation, after his pledge to give away 99 per cent of his fortune to the Chan Zuckerberg Initiative was met with criticism on Tuesday.

6. Viacom's second-largest shareholder has urged the media company to sell a stake in its Paramount movie studio to Alibaba, according to the Financial Times.

7. Ladbrokes has appointed John Kelly chairman of the company, effective immediately.

8. EasyJet passenger numbers were up 9.6 per cent in November to 4.8 million compared to a year ago, despite a higher number of cancellations.

9. Uber is reportedly raising another $2.1 billion to fund its international-expansion plans, according to a new report from Bloomberg

10 Online financial trading company IG Group has appointed Peter Hetherington as its chief executive.