The S&P 500 index has reached a new all-time high, but the structural divergence behind earnings revisions is drawing attention. Strategists from major Wall Street banks are generally optimistic about the profit prospects of U.S. companies. A strong start to the first-quarter earnings season, combined with renewed enthusiasm for AI investment, has boosted market confidence. Morgan Stanley strategist Michael Wilson stated, "Despite geopolitical risks, the earnings recovery momentum remains intact, with positive operating leverage being the core driver." However, Goldman Sachs pointed out that this wave of earnings upgrades and stock market gains is highly concentrated in a small number of individual stocks, with market breadth falling to its lowest level in decades. Currently, bank stocks are leading with impressive results. JPMorgan Chase, Bank of America, Citigroup, and Goldman Sachs have all reported record equity trading revenue. According to Bloomberg data, approximately 81% of large-cap companies have reported earnings per share that exceeded analyst expectations.
**Earnings Season Starts Strong with Clear Recovery Logic** Wilson from Morgan Stanley noted that S&P 500 earnings per share growth shows a pattern of continuous improvement. Revenue growth outpacing cost increases has effectively supported corporate profits through positive operating leverage. JPMorgan strategist Mislav Matejka indicated that earnings forecasts for major regions have been revised upwards. "Although a renewed escalation in geopolitics and persistently high oil prices could pressure profits, Brent crude remaining around $100 per barrel is still consistent with potential earnings upside." By sector, JPMorgan is optimistic about semiconductors, mining, and industrials, while the consumer discretionary sector may face challenges.
**Gains Highly Concentrated, Few Stocks Drive Upward Revisions** Goldman Sachs' Ben Snider highlighted that although consensus earnings per share expectations for the S&P 500 for this year and next have been raised by about 4% since January, the energy and information technology sectors have contributed almost the entire increase. More notably, just two companies, Micron Technology and Exxon Mobil, collectively account for over 60% of the upward revision to the S&P 500's 2026 EPS consensus since the conflict began. "The vast majority of recent upgrades to S&P 500 earnings expectations have been driven by only a handful of stocks," Snider said. Simultaneously, Goldman's preferred measure of market breadth has fallen to near multi-decade lows, surpassed only by levels seen during the dot-com bubble and mid-2023, indicating that this rally, like the earnings revisions, lacks a broad foundation.
**Key Test: Can Earnings Revisions Spread More Broadly?** The core question facing the market is whether, as the Q1 earnings season peaks, earnings upgrades and stock price gains can spread from a few stocks to a wider range of index constituents. Progress on the reopening of the Strait of Hormuz is critical for cyclical sectors, which are more closely tied to economic conditions. Goldman Sachs believes the stock market currently has a slight upward bias. Downside risks stem from weaker consumer demand and war-driven increases in input costs, while upside factors include continued AI investment and productivity gains.
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