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Stocks

The art of buying stocks at 52-week lows

Stock markets are highly efficient in the long run yet share prices can fluctuate wildly near term. The art of investing is buying quality stocks when they’re temporarily down, and a current blue-chip may fit that profile.

Mentioned: CSL Ltd (CSL), Macquarie Group Ltd (MQG), ResMed Inc (RMD)


All the academic literature suggests that stock markets are efficient in the long term. That is, market prices will accurately reflect business values over time. Yet, markets aren’t as efficient in the short term, and stock prices can deviate from business values, sometimes significantly.

Take the top 10 companies in the ASX. These companies range in market capitalization from $60 billion to $242 billion. They’re enormous. And look how much their share prices have moved around in the past year.

Top 10 shares

Macquarie Bank

Let’s use Macquarie Bank (ASX:MQG) as an example. It’s almost regarded as Australia’s 5th bank and a home-grown success story. Macquarie’s share price is down 5% over the past year, and it’s been flat year-to-date. Fairly boring, you might say.

Those figures disguise the size of the moves throughout. From $176 last November, the stock went down to under $165 at the start of this January, before catapulting to a 52-week high of $195.74 just five weeks later. It went down to $167 in March, before rising again to $185 in July. And Macquarie got wiped out after recent results to reach of low of $155 before climbing again to its current price of $168.

What a ride.

MQG share price

CSL

CSL (ASX:CSL) is another example. It’s a blue-chip healthcare stock that’s been a market darling for a long time, having delivered stellar returns for shareholders since IPO’ing. Though in the past year, its price has fluctuated wildly. It peaked near $314 in February this year, before diving to under $229 at the end of October, before bouncing back to today’s $258. Put another way, the stock went down 37% over nine months to October, and in the past three weeks, it’s gone up by 13%.

CSL price

To make this starker, CSL’s market cap reached $151 billion at its peak in February and bottomed at $110 billion at the end of October – its market value decreased by $41 billion at one stage. And CSL’s market value has increased by $15 billion since bottoming around 22 days ago.

They are crazy moves. Yes, issues have emerged with the business including continued doubts about the merits of an overseas acquisition, uncertainty around the impact of obesity drugs on its business, insider selling, and valuations which looked frothy back in February.
However, have these issues warranted a $41 billion move in nine months? Is the business worth $15 billion more than it was just three weeks ago?

Both Macquarie Bank and CSL demonstrate that market prices can move around much more than underlying business values. But is it just a matter of buying quality stocks when they reach 52-week lows? If only it were that simple - that’s where the art of investing comes in.

ResMed

Let’s look at a topical example in ResMed (ASX: RMD). Started in 1989, the company has been another home-grown success story. It’s become the global leader in sleep and respiratory care. The company specializes in positive airway pressure devices for the treatment of obstructive sleep apnoea (OSA).

OSA is a chronic illness characterized by repeated obstruction to the airway at the back of the throat during sleep. After a person with OSA falls asleep, their airway intermittently narrows and collapses causing fragmented sleep and contributing to severe health issues if left untreated.

That’s where ResMed comes into play. It makes Continuous Positive Airway Pressure (CPAP) devices that deliver a stream of pressurised air through a mask to prevent the collapse of the upper airway during sleep. ResMed and its main competitor, Philips have an estimated 80% market share in CPAP devices.

ResMed has been an amazing performer. Ove the past 15 years, it’s returned 16.4% p.a. Over 10 years, it’s been a similar story, with ResMed returning 16.3%. That’s been driven by double-digit growth in both revenue and earnings.
Yet the once market darling has turned pariah over the past year. The stock reached an all-time high above $40 in August last year. It subsequently fell almost 50% to a low of $21.14 in September this year, before bouncing marginally to today’s price of $23.44.

RMD share price

With ResMed still hovering close to 52-week lows, the question is whether stock is now a buy or a value trap.

To answer that, it’s helpful to know why the stock has dropped so far, so fast. And it’s because of the rise of GLP-1 or obesity drugs (Ozempic, Wegovy, and Mounjaro). These drugs were initially designed to target type 2 diabetes by stimulating greater insulin production, but they’ve evolved to being helpful with weight reduction and cardiovascular indications. Given obesity is a key risk factor for OSA, there are worries that these new drugs will reduce the need for the CPAP devices of ResMed.

At one time, the market priced ResMed assuming that it was a global leader in a huge market with a long runway of growth ahead. The obesity drugs have dimmed the narrative with considerable uncertainty about future demand for CPAP devices.

Whether ResMed’s a buy or sell depends on how much these drugs could dent future demand, what impact that may have on earnings, and to what extent that’s factored into the share price. My assessment is that it’s impossible to say exactly how much CPAP demand will be impacted, and that could weigh on the stock for several years.

Yet it is possible to take a reasonable guess on future demand, and that’s what several fund managers who’ve bought into the stock have done. One of these managers, Matt Williams, Head of Australian Equities at Airlie Asset Management, told me as much on a recent episode of the Wealth of Experience podcast.

What struck me about this interview with Matt though wasn’t so much his thesis for buying ResMed, but that he’d probably seen this movie before and that may have helped with his investment decision. What I mean by that is that he has more than 30 years’ experience in funds management, and he’s seen it all: market manias and crashes, companies come and go, hundreds of competent and incompetent managers. And specific to ResMed, he’s probably seen the rise of drugs that don’t have as broader impact on adjacent markets as first assumed.

From the interview, I realised that an underappreciated edge in investing is experience. I can’t help but wonder that the average performance of active managers would be markedly better if all of them had +30 years’ experience in the market.

For the average investor, the lesson is that becoming good at investing takes time. If you don’t have the time, it may be best to outsource the job to others, perhaps to a fund manager with a successful track record over a long period of time.

 



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