Friday broker round-up -UPDATE
African Minerals: Goldman Sachs upgrades to buy. AG Barr: Investec reiterates buy recommendation and 485p target; Shore Capital downgrades to hold; N+1 Brewing downgrades to hold. AstraZeneca: Nordea downgrades to sell. Barclays: Investec maintains buy rating and 240p target. BG Group: UBS cuts
