Citi slips on Treasury sale news By: MarketWatch April 26, 2010 at 10:20 AM EDT Citigroup Inc. leads a slide in in financial stocks Monday, as the Treasury Department announces plans to sell up to 1.5 billion Citi shares. Read More >> Related Stocks: Berkshire Hathaway Equity Residential FINANCIAL SEL Goldman Sachs Group Standard & Poors 500