Apple Inc.’s market capitalization closed below $1 trillion Monday, leaving its longtime rival Microsoft Corp. as the only U.S. company left in the trillion-dollar club.Shares of Apple fell 2.1% to close at $224.37, part of a broad selloff fueled by the coronavirus pandemic and jitters over U.S. lawmakers’ ability to pass a giant fiscal stimulus bill. At that price, the tech giant’s market cap is about $982 billion.