Investors now have until 6 January 2015 to accept BGC’s all cash offer of $5.25 per share of the derivatives broker.

As of 8 December BGC said about 12.4m shares, or about 10% of those outstanding, had been tendered to the offer.

That is down sharply from the 23.2m shares that had been tendered at 19 November.

Analysts said funds sometimes opt not to tie up their holdings when they expect tender deadlines to be repeatedly extended.

“We