Cyberattacks on U.S. businesses could be an opportunity for investors as companies spend money to upgrade their infrastructures, big-name money managers said on Wednesday at a conference geared to sharing potential blockbuster ideas. Every business in the United States will have to spend more money to defend themselves, said Lee Ainslie, head of Maverick Capital. He feels that companies providing cybersecurity could grow. Jim Breyer, the chief executive of Breyer Capital, also listed cybersecurity and messaging as among his most interesting focuses at the conference, as well.