Investors this week will be focused on the implications of the U.S. attack on Iranian nuclear facilities. While this is clearly a very significant event from a geopolitical perspective, it may be less important for financial markets.

The key issue is how Iran responds. One often-mentioned scenario is that they could try to close the Strait of Hormuz. Such a move would have a dramatic impact on world energy markets as roughly 20% of the world’s oil production moves through the Strait. However, this strategy would be highly counterproductive for Iran, first, because it would eliminate its own ability to export oil and second because it would trigger a U.S. effort to reopen the Strait that could further damage Iran’s depleted military capabilities.

When we bought our first home, the builder neglected to mention that it was built upon a river. Of course a river at the bottom of a garden is a charming sight. Something that seeps up through the cellar is less attractive, and so, in due course, the builder was called back to install a sump pump. Our young sons were fascinated by the hole in the basement floor and the coppery water that flowed at the bottom and wondered whether, with the help of makeshift fishing poles, it could yield some fish.

When I was growing up, school holidays weren’t packed with organized activities. Sometimes, to relieve the boredom of a rainy day, I would tackle a jigsaw – I remember one particularly challenging 1000-piece puzzle which, when completed, promised to reveal a charming picture of Dutch skaters on a frozen lake.

This week, after a very busy few months, I am putting down my pen, picking up my metaphorical spade and bucket and taking some vacation time. 2025, so far, has been a challenging year for analysts and it is tempting, as I’m trying to clear my desk, to assert that not much has changed over the past few weeks and so I don’t need to update any analysis of federal government policy, the economy and markets. However, the reality is that events in Washington and on Wall Street over just the last two weeks do require a reassessment.

There have only been two U.S. recessions since 2001 – the Great Financial Crisis and the Pandemic Recession. Both of these were huge – accounting for two of the only three times since the 1940s that the unemployment rate has vaulted to double digits. However, because the recessions of our recent memory have been so dramatic, investors may not appreciate the risks from a softer sort of slowdown.

A crowd is gathered around the sickbed of the economic expansion. Among the multitude are the workers, consumers and business people who would be most impacted by its demise. There are political partisans too, some fervently praying for recovery, others quietly hoping for the opposite. At the foot of the bed are fiscal and monetary doctors, the former preparing a sugary solution to inject into the patient and the latter casting nervous eyes both on the patient and the fiscal doctors, concerned about a renewal of inflationary fever. Foreign governments and central bankers also stand vigil, from as safe a distance as they can manage, conscious of the infectious nature of the patient’s disease. And close by the door are investors, contemplating a quick exit from American assets but haunted by the memory of the many past remarkable American recoveries. There is a knock at the door. It is the last week in April and a battery of tests are in that should shed further light on the delicate health of the economic expansion.

Last weekend, I neglected to finish my Notes on the Week Ahead as I got caught up in watching the Masters. In truth, it was mostly a battle between Rory McIlroy’s emotions, which produced two double-bogeys in his final round, and his exceptional skill, which propelled his second playoff shot to within three feet of the hole. I was particularly happy to see his victory since he hails from the same island as myself, But I was also glad to see him win because, at 35, he is no longer in the first blush of youth. It is a sad truth that in athletics, as in life, no-one soars forever. Twenty years from now, McIlroy will probably still be a fine golfer – training and resilience should see to that. But he may no longer be exceptional.

One clear advantage of getting older, (and I can attest to many of its disadvantages), is that you learn from experience. The financial market chaos, following the President’s tariff announcement, is different from previous market slumps. Every market selloff is. However, a common thread in all crises is that the best decisions begin with a structured approach to analysis. 

I may have mentioned this before, but as a young lad, I had a very healthy appetite. Consequently, when deciding on a hobby, I prudently elected to go with “cooking”. My experiments included making fudge and my mother dutifully supplied me with sugar, vanilla and helpful advice. However, we possessed no candy thermometer and, as anyone in the fudge-making business will tell you, getting the temperature right is essential. Too hot and you end up with toffee or hard caramel. Too cold and you end up with a grim sludge, which no degree of refrigeration can render palatable. Making fudge is a delicate operation.

I was running along the roads of our neighborhood last weekend when I came upon a small herd of deer. I often see these beautiful but dopey creatures at dawn as they wander aimlessly in the middle of the road. When a car or truck bears down on them, they stop and stare. Perhaps they are pondering whether it would be more fun to hop into the woods to their right or gambol off into the field to their left. But, of course, the only important decision is to get out of the road. A “wait and see” attitude could be fatal.