Shares in F&C Asset Management leapt this afternoon after the group confirmed reports it had received an indicative offer from Canadian bank BMO Financial Group of 120p a share in cash. F&C revealed it is 'likely to recommend a firm offer' at the price, which followed 'advanced discussions'.Elementis shares climbed after it announced the appointed of Andrew Duff as a Non-Executive Deputy Chairman from April 1st. Following the annual general meeting on April 24th, Duff, who has previously been the Non-Executive Chairman of Severn Trent, will become full-time Chairman. Meanwhile, SuperGroup shares declined after broker Oriel Securities downgraded its rating on the stock from 'buy' to 'hold', saying its third quarter "may not have followed the industry trend" and that while its like-for-like results were strong in November, "we suspect things then got tougher, pre and post Dec 25th". Similarly, Ocado Group was a big faller after BNP Paribas reiterated its 'underperform' rating on the stock. FTSE 250 - RisersF&C Asset Management (FCAM) 116.00p +24.06%Homeserve (HSV) 300.60p +5.29%NMC Health (NMC) 480.70p +4.73%Elementis (ELM) 261.30p +4.23%Oxford Instruments (OXIG) 1,703.00p +2.10%St. Modwen Properties (SMP) 383.70p +1.83%Man Group (EMG) 84.00p +1.82%Spirent Communications (SPT) 95.30p +1.60%BH Global Ltd. USD Shares (BHGU) 11.69 +1.56%Big Yellow Group (BYG) 508.00p +1.40%FTSE 250 - FallersSupergroup (SGP) 1,431.00p -6.16%Ocado Group (OCDO) 484.70p -3.83%Rank Group (RNK) 133.00p -3.83%Fidelity China Special Situations (FCSS) 99.80p -3.48%Keller Group (KLR) 1,123.00p -3.27%Regus (RGU) 206.30p -3.15%Home Retail Group (HOME) 181.40p -2.99%Close Brothers Group (CBG) 1,268.00p -2.98%Imagination Technologies Group (IMG) 179.40p -2.92%Carillion (CLLN) 333.30p -2.86%NR