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US-based cloud software stocks — which soared to dizzying heights during the pandemic — have been in a painful downward spiral since November.

For the three months ended January 31, 2022, the BVP NASDAQ Emerging Cloud Index, a measure of cloud-based software companies, plummeted 28.5%. That compares with a decline of 2.0% for the Standard & Poor’s 500 Composite Index, which measures the broader U.S. stock market.

Why have these companies fallen so suddenly out of favor? In part, it’s due to expectations that the Federal Reserve will soon hike interest rates. Such hikes tend to have a more adverse impact on fast-growing businesses like cloud software, also known as software as a service (SaaS), than on the broader market. Higher interest rates reduce the current value of the much higher earnings such businesses expect to generate further into the future.

Investors might also wonder if many of these companies have grown too fast. After a decade-long sprint supercharged by the pandemic, has cloud software run into a wall?

“It’s been a great 10 years for software, but I think we’re far from done,” says equity investment analyst Julien Gaertner, who covers U.S. software companies. “In my view, we are still in the early innings of this transition. I continue to be positive about the long-term outlook for the software industry.”

Fasten your seatbelts for software volatility

Bouts of intense volatility are nothing new for software stocks. In recent years, software companies as a group have sustained steep declines of 20% to 35% about every 18 months, so investors must have strong stomachs and no small amount of patience.

“My approach to these periods has been consistent,” Gaertner says. “I focus on long-term fundamentals and see if the market opens up opportunities to build positions at attractive prices. We may only see these prices for a short time or not at all, so the key is to be ready.”

Software’s potential underestimated by the market

Many industries experience periods of innovation and rapid growth, but the software industry is unique for sustaining unusually high rates of growth for long periods.

“I cannot identify another industry that has the growth duration characteristics of the software industry. These companies have expanded scale and improved business models at a pace that is rare in any industry” Gaertner says. “Over time, the market has tended to underestimate just how long these companies can grow at elevated rates.”

Consider Workday, which offers HR management software as a subscription service through the cloud. When the company went public in 2012, it was adding roughly $100 million of recurring revenue a year. Today, best-in-class software companies can potentially add about $100 million in recurring revenue per quarter, Gaertner says. “And I expect that potential growth rate to double again over the next few years,” he adds.

Further adjustments to cloud software business models could drive further acceleration. “Today companies like Snowflake and Datadog are moving from subscription services to consumption-based business models, which could potentially quicken growth even more,” Gaertner says.

Cybersecurity and the next wave of growth

One trend driving software opportunity is the rapidly growing need for more and better cybersecurity. Shifting the world’s data and workloads to the cloud has expanded the potential for security threats. This trend was amplified by the pandemic rush to a digital future.

In 2021 alone, major cyberattacks included the REvil ransomware attack by Russian hackers in April and a breach of Colonial Pipeline’s systems in May, while in December a serious vulnerability in Log4j software reportedly exposed more than 89% of the world’s IT environments.

“It’s crazy what is happening today,” Gaertner says. “Major new threats seem to arise every couple of months. I believe we are all underestimating just how much cybersecurity will change the world over the next 10 years.”

The transition to the cloud has precipitated a shift towards a new approach to cybersecurity called zero trust architecture. Traditionally, companies kept their applications and data in central data centers that usually had a single point of entry protected by a firewall — a so-called “castle and moat” architecture.

Zero trust architecture replaces the single data center with a series of servers, end users, cloud workloads and the network that connects them. This requires user authentication and management for each service and all information accessed.

“The legacy security providers have been slow to adapt to the zero trust model,” Gaertner explains. “And several innovative, smaller software companies have emerged to fill the void.”

For example, Zscaler, a cloud-based enterprise network security company founded in 2007, provides secure entry to both locally hosted and externally hosted applications. Okta, an identity and access management company, offers a system that allows a user to access several systems using a single sign-on process.

Taking aim at the database Goliaths

Less visible than cybersecurity but no less ripe for disruption is the database software market. Every application created needs an underlying database to run on. According to U.S. software analyst David Penner, as the world of software expands, the database market expands.

Customers tend to remain with a database provider for years, or even decades, because once the databases are integrated into business processes, they are hard to change. The database market is “sticky” — but also somewhat sleepy.

Legacy database providers have been slow to adapt, making them targets for new competitors. “The world has been running on Oracle databases for decades through the cloud,” Penner explains, “but new providers like MongoDB are beginning to challenge Oracle and other database giants.” Founded in 2007, the cloud-oriented database provider achieved growth of 50% for its most recently reported quarter, higher than the 44% growth in the prior quarter. “This is a company that is emerging as a next generation leader.”

Cloud transition is going global

The rise of start-up cloud software makers doesn't always come at the expense of legacy giants. Microsoft, for example, has made the transformation to cloud with its Office software and its cloud infrastructure service Azure.

“Microsoft is unique in that they built their franchise during the PC revolution, then went through the desert for a while,” Penner says. The company was regarded as an aging dinosaur until Satya Nadella was named CEO in 2014. “Nadella and CFO Amy Hood drove a change in culture. Today you have a company transitioning its legacy products to the cloud and subscription services. And it's turning into the world's largest SaaS company.”

Thanks to Microsoft and others, a new generation of companies is offering a broader range of services to small businesses and individuals throughout the world. Examples include Shopify, the maker of e-commerce tools; HubSpot, a sales and marketing platform; and Paycom, a payroll and human resources provider.

“Customers can go to these companies’ websites and start operating the same day they buy the service,” Penner says. “Vendors like these didn’t really exist before the transition to the cloud model.”

The bottom line: Use pullbacks to build selective positions

With valuations for many software companies driven to all-time highs in 2021, investing in the industry comes with no small amount of risk. Even after the recent sell-off, the industry overall continues to be relatively expensive.

“Valuations are high when you look at average or index levels, and I wouldn’t be surprised to see valuations compress further,” Gaertner says. ”Software is an area that I believe will continue to grow rapidly thanks to the shift to the cloud. The key for investors is selectivity and patience.”

Penner agrees. “The cloud has been the next new thing for 10 years, but I believe it is still the next new thing. Nothing goes on forever, but as long as computers and software keep getting smarter, I see no reason for it to end anytime soon.”