Britvic Shares Jump on Carlsberg Takeover Deal / Carlsberg to Buy Britvic for $4.2 Billion / Danish brewer Carlsberg to buy soft drinks maker Britvic in $4 billion deal after improved offer / Carlsberg to buy Robinsons squash maker Britvic / Denmark's Carlsberg quaffs British soft drinks maker Britvic / Carlsberg agreed to buy soft-drinks maker Britvic for the equivalent of about $4.23 billion as part of a plan to expand in the nonalcoholic-beverage market and reduce reliance on beer sales. / Carlsberg set to be UK's biggest cask ale player as Marston's and Britvic deals revealed / Carlsberg to buy Robinsons maker Britvic in PS3.3bn deal / Carlsberg said it was considering its next steps after U.K. soft-drinks maker Britvic rejected a $3.94 billion takeover bid, a setback for the Danish brewer.