Stocks fall; Dow breaks six-week win streak By Kate Gibson , MarketWatch NEW YORK (MarketWatch) — U.S. stock indexes declined Friday, with the Dow Jones Industrial Average halting its longest weekly winning streak since August of last year. “It’s difficult to attach a great deal of meaning to today’s action without volume, which is lackluster. We’ve tried to make the stories fit the market action, and that’s a dangerous game, especially in low volume,” said Art Hogan, market strategist at Lazard Capital Markets. “We certainly came into a week we knew was wanting for catalysts. Last week we had a plethora of economic data and a preponderance of quarterly reports; this week we have neither,” he added. Stocks to watch: Blackberry Brendan Conway joins the News Hub with a look at which stocks traders will be watching during market action, including Blackberry, Priceline.com,