London proprietary trading firm Alpha Capital Group has announced a $250million Christmas account giveaway to help provide an end-of-year boost to thousands of people. The company is running two festive events to celebrate its most successful year yet and to mark a huge milestone after paying out $80million to customers over the last 3 years. The business is giving away a free $5,000 account with every purchase between 3 and 24 December – encouraging customers to ‘pay it forward’ and give the account to someone who will benefit from it. Separately 25,000 accounts worth $5k will be given away as…