Apple is appealing a ban that threatens its $17 billion smartwatch business.The tech giant filed a challenge to the ban imposed by the U.S. International Trade Commission (ITC) — the result of a patent dispute — at the U.S. Court of Appeals for the Federal Circuit, Bloomberg News reported Tuesday (Dec. 26).In addition, the report said, Apple filed an emergency motion asking that the ban be stayed while the court considers the appeal.The move came after the White House — seen as Apple’s last hope in avoiding ...