FTSE flat as price of oil keeps big names down

Analysts are finding it difficult to decide which stocks they should buy and sell this morning, so the UK's benchmark index has been relatively flat since the markets opened. Invensys, the maker of factory controls, has seen its value rise and helped to keep the FTSE above water, even though it has posted a loss, because the firm has managed to accumulate cash in its fiscal first half. The FTSE 100 rose just 6.8 points to 5247.50 largely because the price of crude oil has dropped to a two-year low and affected the share price of BP and Shell Transport and Trading. Invensys has gain...