This is what's in the news for Wednesday April 4, 2012. The Wall Street Journal reports Fitch Group CEO Paul Taylor said Credit Suisse Group (NYSE:CS) dropped the firm's rating from a mortgage-backed security because it took a harsher view than rivals that assigned triple-A ratings to the deal. Reuters reports China Premier Wen Jiabao called the country's large banks a monopoly that needed to be broken up to get money flowing to cash starved private firms. Bloomberg reports U.S. apartment vacancies dropped to their lowest level since 2001 as the rate fell to 4.9% in Q1 from 6.2% a year ago, according to Reis, Inc. (NYSE:REIS). Finally, Bloomberg also reports ad revenue is growing as car and retail sales rebound, a sign U.S. consumers feel more confident in the months leading up to the Olympic Games, a $4B opportunity for advertisers.