Stock market today: Dow, S&P 500 notch records, Nasdaq gains as Wall Street flies high into Christmas holiday

US stocks set more records on Wednesday, as Wall Street rode into the Christmas holiday on a high note. The blue chip-focused Dow Jones Industrial Average (^DJI) led the way up, gaining 0.6%, or nearly 300 points, to close at a fresh record high. Meanwhile, the S&P 500 (^GSPC) picked up 0.3% to notch its second consecutive record close. The tech-heavy Nasdaq Composite (^IXIC) gained a bit under 0.2%. Markets closed early on Wednesday for Christmas Eve and are off Thursday for the holiday. Wall Street's ...