A Trader's Guide to Chinese Stocks in Spotlight as Yellen Visits

(Bloomberg) — US Treasury Secretary Janet Yellen's mission to address the threat of cheap China exports is set to increase pressure on the nation's makers of solar panels, electric cars and batteries. Already, major producers like Longi Green Energy Technology Co. and BYD Co. have underperformed the broader MSCI China Index this year as they struggle with domestic price competition or overcapacity. Yellen, who kicks off talks in Guangzhou Friday, has criticized the Asian nation for its industrial policies, arguing state subsidies are distorting global markets. With the White House hinting at potential tariffs, Yellen's exchanges during her second China…