LONDON (Reuters) – British businesses think the gloom hanging over their prospects will persist in the coming months, according to an industry survey published on Sunday. The Confederation of British Industry’s (CBI) gauge of private sector growth in the three months to October rose to -15 from -19 in the three months to September, still in contraction territory. For the next three months, services and distribution companies expect a further downturn, although manufacturers were more optimistic. “Notwithstanding a mixed picture across sectors, the private sector continues to face considerable …