Japan\'s consumer prices dropped by 0. 4 percent in April from a year earlier, falling for the sixth straight month, according to government data released on Friday. The core consumer price index, excluding fresh foods, stood at 99.8 against the 2010 base of 100, said the Ministry of Internal Affairs and Communications. The core CPI for Tokyo\'s 23 wards in May, which indicates nationwide price moves down the road, went up 0.1 percent to 99.2, increasing for the first time since March 2009.