United Parcel Service Inc. reported better-than-expected quarterly earnings and revenue on Tuesday, bolstered by strong e-commerce demand that has allowed the delivery firm to raise shipping prices and cherry-pick more profitable customers. The company also raised its full-year adjusted operating margin target to about 13 percent from about 12.7 percent, ahead of the holiday season. Shares of Atlanta-based UPS were up about 2 percent before the opening bell. UPS and rival FedEx Corp. are delivering record number of e-commerce packages amid labor shortages since COVID-19 shifted shopping online. To beef up its delivery operations, UPS outlined plans last month to buy Roadie, a crowd-sourced, same-day delivery company whose major clients include home improvement chain Home Depot. Revenue from UPS’ U.S. operations, its biggest segment, rose 7.4 percent to $14.21 billion. The company’s third-quarter operating profit rose to about $2.9 billion, or $2.65 per share, in the third quarter ended Sept. …