WASHINGTON (AP) — China’s accused of trying to steal trade secrets from U.S. businesses, but for many U.S. companies China’s vast market remains an irresistible source of business.

Even some companies China is accused of victimizing by computer hacking have little incentive to cheer any trade rupture with China. Westinghouse is building four nuclear reactors in China. Specialty steelmaker Allegheny Technologies operates a joint venture in Shanghai. Alcoa’s the biggest foreign investor in China’s aluminum market.