Weekly review

The FTSE 100 finished the week 111.41 points lower to 7,312.72. 

N4's 'nuvec' has no systemic toxicity, study shows

Specialist pharmaceutical company N4 Pharma announced the latest research results for its 'nuvec' nanoparticles, which it was developing as a delivery system for DNA and mRNA vaccines and therapeutics, on Friday. 

Broker tips: Greene King, UK water, Lonmin

Greene King slumped on Friday after JPMorgan Cazenove downgraded the stock to 'neutral' from 'overweight' and cut the price target to 750p from 810p as it pointed to the absence of a compelling catalyst to cause a bounce-back.