With Nasdaq at records, investors ask what's next for tech

By David Randall NEW YORK (Reuters) - When the Nasdaq Composite last hit record highs during the dotcom era, fund manager Walter Price struggled with justifying paying 400 times a company's earnings for rapid growth. Instead, Price worries that the companies that have powered the 25 percent rally in the Nasdaq over the last year are likely to plateau. "What brought us here isn't likely going to keep pushing us forward," said Price, lead portfolio manager of the Wells Fargo Ad