TP ICAP Group PLC (LSE:TCAP) said on March 12, it is exploring options for its fast-growing data unit Parameta, including potentially listing a minority stake in the business while retaining ownership. Shares in the world's biggest inter-dealer broker jumped more than 10% to their highest in nearly three years, topping the FTSE 250 (.FTMC), opens new tab index. Chief Executive Officer Nicolas Breteau said Parameta's growth prospects and value are "not appropriately reflected in our share price".