U.S. manufacturing rebounds; Boeing, coronavirus loom

WASHINGTON (Reuters) - U.S. factory activity unexpectedly rebounded in January after contracting for five straight months amid a surge in new orders, offering hope that a prolonged slump in business investment has probably bottomed out.A rebound in business investment is critical to keeping the longest economic expansion in history, now in its 11th year, on track amid signs of fatigue in consumer spending. The improvement in manufacturing reported by the Institute for Supply Management (ISM)..