Source: Sharecast
Alpha Group International led the risers after it confirmed that it has received a preliminary and conditional cash takeover bid from US-listed Corpay.
The UK firm's board said it had unanimously rejected the proposal after careful consideration.
The FTSE 250 company said that under UK takeover rules, Corpay had until 1700 BST on 30 May to either announce a firm intention to make an offer under the Takeover Code, or confirm it did not intend to proceed.
Hochschild Mining and Endeavour Mining gained on higher gold prices.
Ferrexpo led the fallers.
Market Movers
FTSE 250 - Risers
Alpha Group International (ALPH) 3,050.00p 8.54%
Hochschild Mining (HOC) 296.00p 8.32%
Endeavour Mining (EDV) 2,214.00p 5.23%
Ashmore Group (ASHM) 151.00p 4.86%
Lion Finance Group (BGEO) 6,325.00p 4.29%
Genus (GNS) 2,090.00p 4.24%
Plus500 Ltd (DI) (PLUS) 3,252.00p 4.23%
QinetiQ Group (QQ.) 416.80p 3.99%
Dr. Martens (DOCS) 56.05p 3.80%
Moonpig Group (MOON) 243.50p 3.62%
FTSE 250 - Fallers
Ferrexpo (FXPO) 64.70p -16.73%
Trainline (TRN) 280.00p -5.28%
Ocado Group (OCDO) 263.50p -3.90%
Wizz Air Holdings (WIZZ) 1,672.00p -3.18%
Investec (INVP) 470.60p -2.69%
Close Brothers Group (CBG) 319.20p -2.31%
Oxford Instruments (OXIG) 1,700.00p -2.19%
Future (FUTR) 715.00p -2.05%
Ninety One (N91) 150.80p -2.01%
RS Group (RS1) 516.50p -1.90%