(For a Reuters live blog on U.S., UK and European stock markets, click LIVE/ or type LIVE/ in a news window.) * Airlines, hotels down on fears of fresh pandemic curbs * GE jumps on surprise profit, positive cash flow * Indexes down: Dow and S&P 2.7%, Nasdaq 3% (Adds comment, details; updates prices) Oct 28 (Reuters) - The S&P 500 and the Dow hit their lowest levels since late-September on Wednesday as coronavirus cases surged globally and fears of a contested U.S. presidential election next week added to worries. Shares of hotels, airlines and other companies sensitive to COVID-19-related curbs fell with Wynn Resorts down 3.6% and the S&P 1500 airlines index declining 3.4%. The energy index fell as oil prices tumbled on fears of lower fuel demand. New cases and hospitalizations set records in the U.S. Midwest, while concerns rose over a national lockdown in France and tighter restrictions in Germany.