Eugene, Ore.--Despite a weakening ad market that started in December, so-called new economy titles showed solid gains in 2000 compared with 1999, according to the latest report from Adscope Inc. Ad pages for the top six magazines were up 37% compared with 1999, finishing with a total of 1,633 ad pages. The six titles are: The Industry Standard, Business 2.0, Red Herring, Fast Company, Wired and Upside. After a steady climb, ad pages dropped 20% in December. Total ad spending in 2000 was $4.4 billion, an 11% increase.