Markets Climb a Wall of Oil: How April 2026 Tested, and Rewarded, Diversified Investors
April 2026 will be remembered as the month in which global equities looked through a full-blown energy shock to deliver one of the strongest monthly returns in five years. A US–Iran ceasefire on 8 April removed the worst tail risk hanging over markets, even as Brent crude remained well above pre-conflict levels and central banks navigated the resulting inflation pulse. For South African investors, the combination of firmer commodity prices, a steadier rand and a resurgent JSE produced a quietly strong month, but one that also exposed how much of the local recovery is leaning on global forces beyond domestic control.
A risk-on rally, built on a fragile peace
The defining event of the month was the 8 April ceasefire between the United States and Iran, following coordinated strikes that began on 28 February. Although shipping through the Strait of Hormuz remained well below pre-war volumes, the de-escalation was enough to pull risk assets sharply higher. The S&P 500 returned roughly 10.4% for the month, its best showing since November 2020, while the Nasdaq advanced 15.3% as investors rotated back into the artificial intelligence theme. The Philadelphia Semiconductor Index gained close to 40%.
The rally was not confined to the United States. The MSCI EAFE Index rose 7.5%, supported by broad participation across Europe and Japan and amplified for offshore investors by a weaker US dollar. Emerging markets led globally, with MSCI Asia ex-Japan up 16.3% and the broader MSCI Emerging Markets Index up 14.7%, concentrated in the Taiwanese and South Korean semiconductor supply chain.
Underpinning the move was a remarkably strong earnings season. With 89% of S&P 500 companies reporting, blended year-on-year earnings-per-share growth was tracking at 27.7%, the highest reading since the fourth quarter of 2021.
South African markets: resources do the heavy lifting
The FTSE/JSE All Share Index touched a new record high early in April before easing back as the month drew on, closing just above 115,000 points. Leadership came from the resources complex. Anglo American Platinum, Impala Platinum and Exxaro Resources all posted material gains as platinum group metal prices continued their recovery from the 2024 lows. Gold counters benefited from a bullion price that, despite correcting from its January peak above $5,500/oz, was still trading near $4,700/oz, a level that has transformed the economics of South African gold mining.
The rand finished the month near 16.40 to the US dollar, its strongest level since the conflict began, and was trading around 19.00 against the euro. Two forces helped. First, markets re-priced the US Federal Reserve as on hold for longer, narrowing the dollar’s yield advantage. Second, the South African Reserve Bank’s credibility, preserved through two consecutive pauses at 6.75%, kept the relative rate differential supportive.
Central banks: holding the line
The Federal Open Market Committee held the federal funds rate at 3.50%–3.75% on 29 April. The decision was notable less for the outcome than for the dissent: an 8–4 split, the most fractured FOMC vote since October 1992, with one governor preferring a cut and three opposing the inclusion of an easing bias. The Committee acknowledged that “inflation is elevated, in part reflecting the recent increase in global energy prices.”
The SARB enters its 28 May meeting in a similar bind. March CPI ticked up to 3.1% year-on-year, core inflation sat at 3.2%, and the Bank’s own scenario work has flagged a “severe” case in which the repo rate would need to rise to 8% if the oil shock persists. Market-implied pricing currently embeds roughly two 25-basis-point hikes by year-end. The consensus expectation is that the Bank holds in May.
Asset-class scorecard
- Equities (global): Strong gains across developed and emerging markets, led by US tech and Asian semiconductors.
- Equities (SA): JSE All Share touched a record before easing; resources outperformed financials and industrials.
- Bonds: Yields remained range-bound as central banks signalled patience; inflation-linked bonds drew renewed interest.
- Currency: The rand firmed to around R16.40/USD and R19.00/EUR, supported by a softer dollar and a credible SARB.
- Commodities: Brent crude settled in the $96–$115 range after peaking near $126 in March; gold near $4,700/oz; platinum group metals firmer.
What it means for investors
April reinforced two long-standing principles rather than introducing new ones. The first is the value of geographic and asset-class diversification: a portfolio with offshore equity exposure, South African resources, gold and a measured cash buffer captured the upside in multiple directions without being dependent on any single outcome. The second is the danger of trying to time geopolitical events. Investors who reduced risk during the February–March escalation would have missed the April rally; those who added aggressively at the peak of fear would have done well, but only in hindsight.
The forward picture remains genuinely uncertain. Energy prices are above pre-conflict levels, central banks are split, and the GNU’s fiscal consolidation path, built on a budget deficit narrowing to 4.5% of GDP in 2025/26, assumes growth and revenue trajectories that an extended oil shock would test. None of that argues for retreat. It argues for portfolios that can absorb a range of outcomes, and for the kind of disciplined rebalancing that converts volatility into opportunity rather than regret.
Closing perspective
April was a month that rewarded patience and punished reactivity. The ceasefire was a relief, not a resolution; the equity rally was earned, not lucky; and the rand’s recovery is welcome, but it is leaning on borrowed tailwinds. The discipline that served investors well in April, staying invested, staying diversified, and staying within a clearly defined risk framework, is the same discipline that will matter most when the next shock arrives. And it always does., and for investors with a clear plan and an appropriate time horizon, it need not be a disruptive one.
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This article is intended for informational purposes only and does not constitute financial advice. RockWealth Capital is an authorised Financial Services Provider. Past performance is not indicative of future results.
