Walt Disney Co. opened its Shanghai theme park Thursday, its first in mainland China. The $5.5 billion investment is intended to promote tourism and other service industries at a time of slowing economic growth, AP reports. The park, seen as “authentically Disney and distinctly Chinese,” should generate some $1.5 billion to $4.5 billion a year in revenue, said Drexel Hamilton analyst Tony Wible. Disney’s international parks in Paris, Hong Kong and Tokyo haven’t made a profit in six of the past 10 years, according to Wible