U.S. stocks stumbled Tuesday morning, placing the S&P 500 back on track toward a bear market as a streak of sharp selling resumed on Wall Street. The S&P 500 fell 1{1b90e59fe8a6c14b55fbbae1d9373c165823754d058ebf80beecafc6dee5063a}, and the Dow Jones Industrial Average shed 160 points, or 0.5{1b90e59fe8a6c14b55fbbae1d9373c165823754d058ebf80beecafc6dee5063a}. The Nasdaq Composite declined 1.7{1b90e59fe8a6c14b55fbbae1d9373c165823754d058ebf80beecafc6dee5063a} amid renewed […]