Fevertree loses its sparkle as Britons' taste for premium tonic sours

(Reuters) - Drinks maker Fevertree issued its second revenue warning in three months, sending its shares down 20% on Monday as disappointing Christmas sales raised fears that Britain's premium tonics' market has lost its fizz.The company said its annual profit would be 5% lower than a year ago. Revenue for the calendar year 2020 was expected to rise 9.7% to 260.5 million pounds ($338 million), it said, but that was lower than its forecast in November for revenue of between 266 million and 268..