The FTSE 100 index ended flat at 6,293 points today after a weak start on Wall Street outweighed ongoing bid speculation and strong power firms.
Next rose 3.32% to £23.02 after gossip suggested a bid worth £25 per share is in the offing.
J Sainsbury added 0.46% to £5.51 on news Asda is mulling an offer and is sounding out the Competition Commission to see if it would be allowed to proceed.
Mining firm Kazakhmys ended flat at £11.53 following a Citigroup upgrade to 'buy' from 'hold' at the expense of Antofagasta, which declined 0.98% to £5.03.
Still with mining, Rio Tinto gained 1.37% to £28.84 and Anglo American rose 0.80% to £26.38.
In the US, the Dow Jones industrial average is down 78.83 points, or 0.63%, at 12,390.24 points after consumer confidence declined more than expected and a major US home builder abandoned its 2007 outlook.
Lennar, the third-largest U.S. home builder, posted a 74% plunge in quarterly profit and withdrew its earnings forecast.
Its shares have fallen 2.8% to $43.31. KB Home has dropped 2.7% to $44.74, while shares of Toll Brothers have fallen 2.2% to $28.21.
Citigroup has fallen 0.72% to $51.17 and JP Morgan Chase has dropped 0.49% to $48.46.
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Two global vehicles
'Further plug advice gap'
Must appoint separate CEOs and boards
Advisers do come out well
Will report to Mark Till