Chinese firms leave US stock markets amid complaints about price, accounting scrutiny __ Just a few years after Chinese companies lined up to sell shares on Wall Street, a growing number are reversing course and pulling out of U.S. exchanges. This week, Focus Media Holding Ltd., announced its chairman and private equity firms want to buy back its U.S.-traded shares and take the Shanghai-based advertising company private. The deal would value Focus Media at $3.5 billion, according to financial information firm Dealogic. Smaller companies also are withdrawing from U.S. exchanges. In a sign of official encouragement, a Chinese business magazine...
