CNBC market close business news update. I'm Jessica Edinger. A winning Wednesday for the major averages.Treasury announced plans to double the size of the debt buyback program that brought bond yields lower and stocks reacted. The Dow up 119 points on Wednesday, led higher by shares of Merc, which soared up 12%. The S&P 500 index was up 16 points.The NASDAQ added 41 points. Chip makers for the most part in the red, but Qualcomm was up 1%. Companies whose shares at fresh all-time highs Wednesday include drug ...