UPS formally notified the U.S. Securities and Exchange Commission that it is extending the Aug. 31 deadline until Nov. 9 for shareholders of TNT Express to accept its offer to buy their shares and take control of the Dutch express delivery company. The Atlanta-based company first announced the postponement on Aug. 22. Earlier this year UPS agreed to acquire TNT, one of the Big Four express carriers, for $6.5 billion. The dollar value of the deal keeps changing as...