Data growth will be a huge factor in software growth. Data storage and use have exploded with the Internet. These firms smartly waited and let the equity markets fund intense capital burn rates by the pioneering companies as the Internet evolved. The driving force behind all these developments, of course, is innovation in computer hardware, telecommunications equipment, and software. Often they have considerable international sales, resulting in foreign exchange risk.
Dilution is another concern.
Use of stock options can be excessive. Stock valuations are generally high, which frequently results in extreme price volatility. Lastly, deep-pocketed hardware companies tend to intrude in the software space. Intense industry competition is a final, and recurring, concern for investors. One need only witness the notorious rivalry between Oracle's Larry Ellison and Microsoft's Bill Gates to understand this clash of business and egos.