Dow Up 12; Day's Gains Fizzle Merck drops on health-care uncertainty By Nick McMaster, Newser Staff Posted Mar 9, 2010 3:20 PM CST 0 comments Comments Traders work on the floor of the New York Stock Exchange, Tuesday, March 9, 2010. (AP Photo/Mark Lennihan) (Newser) – Stocks lost hold of the day's gains as investors pulled out of commodity producing stocks. Alcoa led Dow lower with a 1.3% decline, the Wall Street Journal reports. The Dow gained 12 points to close at 10,564. The Nasdaq rose 8 points, closing at 2,341. The S&P 500 added 2 points to settle at 1,140.