Despite the recent slump in the world markets it appears someone still has faith that London’s brokers and traders have money to burn -- or at least to wine and dine in style.
The DW-WORLD Article
fat cat noun [C often plural] DISAPPROVING
someone who has a lot of money, especially someone in charge of a company who has the power to increase their own pay:
The report criticised boardroom fat cats who award themselves huge pay increases.
fat cat bosses/directors
have money to burn
to spend a lot of money on things that are not necessary:
I don't know what her job is but she certainly seems to have money to burn.
The verb wine and dine has 2 meanings:
Meaning #1: eat sumptuously
Entertain someone or treat someone to a fine meal, as in The company likes to wine and dine visiting scientists. [Colloquial; mid-1800s]