"DOJ Sues Apple for Monopoly, Shares Wobble"

Apple's shares fell after the US Justice Department filed an antitrust suit, accusing the company of stifling competition. The suit adds risk to Apple's services business, which has been a key growth driver, and comes amid concerns about weak sales in China and a lack of new growth catalysts. Despite a rock-solid balance sheet, the stock's recent underperformance and high valuation have raised concerns among investors.