Wall Street rallies at the open as fears over US-China trade war easeThe National Lottery operator Allwyn is to merge with Greece’s leading gambling company OPAP to create a global listed gaming giant worth about €16bn (£13.9bn).Allwyn, which owns a near-52% controlling stake in Athens-headquartered OPAP, has agreed an all-share tie-up with OPAP that will see the combined group renamed Allwyn. Continue reading...