Tighter security laws may sap yet more foreign investment from Hong Kong

Hong Kong was once Asia's world city, a global financial hub and business gateway to China. But the passage of new national security laws is the latest sign the door is closing. On Tuesday, article 23 was unanimously passed by Hong Kong's unicameral, opposition-free parliament. The law covers newly defined acts of treason, espionage, theft of state secrets, sedition and foreign interference. Numerous foreign governments and rights groups had urged the government not to implement it. Critics said it was ushering in a "new era of authoritarianism", and would scare off the international business and investment that the city's chief…