Wall Street ends sharply lower as Ukraine crisis sows fear

By Devik Jain and Noel Randewich (Reuters) – Wall Street ended sharply lower on Tuesday, with financial stocks bearing much of the damage for a second straight day as the Russia-Ukraine crisis deepened and stirred anxiety among investors. Most of the 11 S&P 500 sector indexes fell, led by financials. Wells Fargo tumbled and the broader banks index declined sharply as U.S. 10-year Treasury yields slumped to five-week lows amid a flight to safe-haven debt. [US/] Chevron Corp hit a record high after the oil major also raised its share buyback program and forecast for operating cash-flow t…