By Lisa Baertlein and Kannaki Deka (Reuters) -United Parcel Service Inc on Tuesday reported better-than-expected quarterly earnings but shares fell as much as 4.6% after executives said they expect e-commerce delivery growth to cool. UPS, whose shares were down 3.5% to $182.99 in midday trading, handled fewer packages than originally anticipated in the first quarter, largely due to e-commerce declines. UPS, which counts Amazon.com as its largest customer, now expects volume in its biggest U.S. business to fall in the first half of 2022 before improving in the latter part of the year. “We’re no…