Chloride Group is reported to have disapproved a 723 million pound ($1.1 billion) initiative from Emerson Electric, with the U. S. industrials group speculated to increase its offer to undergo a deal this time around.

Shares in Chloride registered a rise of 43%, touching an all-time high level of 300 pence, making them easily the top FTSE 250 riser.

However, analysts speculated that group to jump its 275 pence per share cash approach for Chloride, whose products shield against power shortages at Heathrow's Terminal 5 and the Arsenal's Emirates soccer stadium, to over 300 pence.

It is posted that Emerson had given the power protection firm a two day period to take a decision on proposal over the weekend before going public on Monday, and revealed that its next workout plan would be to contact Chloride's institutional shareholders.

Analyst Scott Cagehin of Numis quoted, "We get the impression that the bid would need to start with a 3 at least," he said. "They may find there's more appetite for it to happen this time".

The deal is revealed to represents a 34% premium to the last closing price prior to when the offer was made, or 24 times expected earnings per share for the year to end-March.