Guinness is "working around the clock" to increase supplies of stout after a "sell-out" Christmas that led to shortages in some British pubs. Drinks giant Diageo, which owns Johnnie Walker whisky ...

Diageo could sell Guinness for as much as £8billion to cash in on a boom in demand for the Irish stout, according to reports. The FTSE 100 drinks giant, which also owns whisky brand Johnnie ...