MarketWatch’s top 10 stories, Oct. 22 - 26 By: MarketWatch October 26, 2012 at 17:12 PM EDT It was an action-filled week with political and corporate news vying for space on the front page. Here’s a quick look at the top stories this week. Read More >> Related Stocks: Caterpillar Citigroup Facebook Microsoft Standard & Poors 500 Yahoo