This app was removed from the App Store.
iOS iPhone Finance
iMarkets is an iPhone application that acts as an atomic clock for the stock market. iMarkets, tracks multiple exchanges and can alert you through and audible sound when the market opens or closes. In addition to trading hours, it tracks when the exchange is closed or delayed in observation of a holiday.
Exchanges currently tracked:
NYSE - New York Stock Exchange
LSE - London Stock Exchange
TSE - Tokyo Stock Exchange
Redesign app for retina display.