42 Application service provider (ASP) featuring software for use trading stocks, securities, contract for differences, futures, options, financial products and trading instruments; Computer network design and computer software design for the trading stocks, securities, contract for differences, futures, options, financial products and trading instruments; Computer software development, computer programming and maintenance of computer software for trading stocks, securities, contract for differences, futures, options, financial products and trading instruments; Customizing computer software by trading stocks, securities, contract for differences, futures, options, financial products and trading instruments; Design and development of computer software; Design and development of computer software for trading stocks, securities, contract for differences, futures, options, financial products and trading instruments; Design and development of software in the field of mobile applications; Design of computer networks and software for others for the trading stocks, securities, contract for differences, futures, options, financial products and trading instruments; Maintenance of computer software; Platform as a service (PAAS) featuring computer software platforms for trading stocks, securities, contract for differences, futures, options, financial products and trading instruments; Smartphone software design; Software as a service (SAAS) services featuring software for trading stocks, securities, contract for differences, futures, options, financial products and trading instruments; Software design and development; Software development and product development in the field of trading stocks, securities, contract for differences, futures, options, financial products and trading instruments; Up-dating of computer software; Updating of computer software; Updating of smartphone software