An article in wsj quotes that there are a number of trading platforms available for helping peripatetic customers stay in touch with their money like www.thinkorswim.com , www.siebertnet.com , E trade, Fidelity, www.mbtrading.com ,www.alphatrade.com .

Here’s another side of the story : Most online brokers offering software-based trading applications that an investor downloads and installs have packages that run only on a Windows-based machine. So, there is a clear gap for a firm to provide these services