Infinity on High with a 54% decline during a post-Grammy week. The album rose to number three in its third week with 79,000 units sold. In its fourth week, the disc slipped to number four and sold 67,000 copies. "Infinity on High"s sales again fell in its fifth week, moving 58,000 copies and descending to number eight on the chart. In its sixth and last week in the top ten it fell to number nine and sold 43,000 copies. In April 2007, the album was certified Platinum by the Recording Industry Association of America (RIAA), denoting the shipment of one million copies. It
Infinity on High tours to promote the album, including the Friends or Enemies Tour, the Honda Civic Tour, and the Young Wild Things Tour. In the wake of the album's leak on the internet, the band included a download code for "Leaked in London", a live extended play, with each purchase made during the first week of its initial release. "Infinity on High" debuted at number one on the U.S. "Billboard" 200, selling 260,000 copies in its first week, making it Fall Out Boy's first number one album and second top ten effort. It also reached number one in New Zealand and opened