UK small caps are broadly flat in mid-session trade, while the mid-caps slip 0.1 percent, and the blue chips are 0.5 percent weaker.
Automotive retailer Vertu Motors advances nearly 7 percent after saying it expects its profit for the year to end-February to come in ahead of expectations.
Oil and gas explorer Ithaca Energy slides nearly 11 percent, hitting four-month lows, after it says it will buy Valiant Petroleum for 203 million pounds ($308.15 million) in cash and stock.
Valiant Petroleum jumps more than 28 percent.
Reuters messaging rm://email@example.com ($1 = 0.6588 British pounds)