Turmoil hit Hong Kong again Wednesday as anti-government protesters resumed their new tactic of inflicting as much disruption as possible to transportation networks during the working week. They also paralyzed the financial district, where remarkable scenes unfolded as police clashed with suited office workers who turned out in support of black-clad student activists. Scores of bus services were canceled and train services along three major lines suspended after protesters damaged stations overnight and threw objects on the tracks.