Leading shares fall again on worries about global growth, Russia and oil price declineLeading shares are heading for their worst weekly performance since September 2011, with the market falling again on continuing worries about the global economy, another fall in oil price and concerns about Greece.But water companies are in demand after the latest decisions from regulator Ofwat, which cut the returns they can make and ordered a reduction in bills for customers.The companies have two months to accept or reject the final determinations, and we would probably not expect any meaningful response from them until at least after Christmas. Beyond this, the water subsector’s takeover attractions remain over the medium term, and have influenced share prices over the past few months. The precise detail of the final determinatioins will affect this sentiment, but our early thought is that [they] appear to be in line with expectations: relatively tough but probably acceptable. Continue reading...