Investors drove stock prices to their highest level in a week Wednesday, encouraged by a crop of corporate earnings and reassuring U.S.
... * Asia shares mostly higher, Nikkei ends flat. * Wall St lifted by dovish Yellen, upbeat Fed Beige Book. * Google and IBM fall after hours as earnings disappoint.
Internet users are migrating to mobile devices, but ads on phones and tablets still do not have the familiarity and appeal they do on bigger computers.
American Express Co. (AXP:US), the biggest U.S. credit-card issuer by purchases, posted a first-quarter profit that beat analysts' estimates as customer spending climbed.
European stock-index futures were little changed, with equities heading for a weekly gain, as Federal Reserve Chair Janet Yellen reiterated the central bank will continue to support the economy.