Patrick Frater Asia Bureau Chief“My Blue Summer,” a local romance led the Chinese box office higher over the latest weekend with a modestly respectable $7.2 million (RMB48.2 million) opening session. But the trend is hard to discern due to continually changing COVID conditions in China and the country’s uncertain economic direction.The nationwide Friday to Sunday box office total was $26.7 million, according to data from consultancy Artisan Gateway. The total was more than double the $11.5 million achieved the previous weekend.The performance was goosed by the Dragon Boat Holiday weekend, operating June 3-5.