https://apnews.com/75a1547e71292b79b7c101b48ec8fd84 > U.S. stock indexes are mixed in midday trading Wednesday, easing off a fresh set of record highs reached on optimism that coronavirus vaccines could soon start driving a stronger economic recovery. > The S&P 500 was little changed a day after opening December with a bang. It closed at a record high of 3,662.45 on Tuesday. The Nasdaq composite, which also opened the month with a new record, slipped 0.1%. The Dow Jones Industrial Average was down 7 points, or less than 0.1%, to 29,815 as of 11:58 a.m. Eastern time.