From Panic to Rally: How Core Inflation Shifts the Fed's Playbook.

Samuel Atta Amponsah
7 min readSep 12, 2024

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United States Secretary of Labor: Julie Su.

Wednesday's Consumer Price Index (CPI) report delivered a sobering reminder of Federal Reserve policymakers' challenges as they balance curbing inflation with sustaining economic growth. Investors hoping for a significant half-point rate cut next week were disappointed, as core inflation trends provided little reassurance. Wall Street's reaction was volatile, though not entirely surprising given the month's historical turbulence.

The August CPI data revealed that the annual inflation rate decelerated to 2.5%, the lowest since February 2021. This data should have been a positive signal, but the markets were rattled by the core CPI, which excludes food and energy, registering a 0.3% monthly rise — exceeding economists' expectations of 0.2%. Core inflation, often viewed by the Fed as a more reliable indicator of long-term pricing trends, emphasizes the persistence of inflationary pressures in critical sectors of the economy. This moderation will likely compel the Federal Reserve to proceed with greater caution as it considers future rate cuts.

Within hours of the CPI report's release, the Dow Jones Industrial Average plummeted by as much as 700 points, or 1.7%, reflecting investors' initial anxiety. However, in a testament to the complex sentiment gripping the market, the Dow clawed back those losses by the day's close, ending 124 points higher — a modest 0.3% gain. The S&P 500 followed suit, advancing nearly 1%, while the tech-heavy Nasdaq Composite outperformed, rising by 2.2%. The Peak framework Fear and Greed Index, an indicator of market sentiment, initially signaled heightened fear but remained firmly in this territory throughout the day. Such wild fluctuations are characteristic of September, often one of the most erratic months for equities.

Rate Cut Expectations Shift

The core CPI's higher-than-anticipated rise reflects entrenched pricing pressures that may dissuade the Federal Reserve from aggressive rate cuts.

Ahead of the CPI release, market participants were pricing in a 34% probability of a half-point reduction in interest rates during the Fed's upcoming meeting. However, following the report, that figure dwindled to 15%. Now, markets assign an 85% probability to a more tempered quarter-point cut.

This modification extends into November, where a similar expectation shift has materialized, with traders increasingly betting on successive quarter-point adjustments rather than any more dramatic interventions.

Lower interest rates generally favor investors, as they reduce business borrowing costs, theoretically boosting profitability. However, this also depends on how much inflation remains controlled, as sustained price pressures could erode consumer purchasing power and corporate profit margins.

Given the Fed's dual mandate of maximizing employment and stabilizing prices, Its forthcoming decisions will be examined for signs of whether inflationary persistence will trump the desire for looser monetary policy.

Impacts of Rate Cuts on Corporate Earnings

Companies typically benefit from lower borrowing costs when the Federal Reserve cuts interest rates. Cuts directly impact corporate earnings in a variety of ways:

  • Lower Interest Expenses: Companies with significant debt benefit as interest expenses decrease, freeing up capital allocated to other areas, including expansion or shareholder returns. Capital-intensive sectors like manufacturing, utilities, and real estate stand to gain the most.
  • Increased Investment: With cheaper credit, businesses are more likely to invest in growth initiatives, whether in research and development or infrastructure. Such investments can enhance future profitability, offering long-term boosts to corporate earnings.
  • Consumer Spending: Lower interest rates encourage consumer borrowing and spending, particularly in retail and tech sectors, where discretionary income drives demand.
  • Profit Margins: Lower borrowing costs generally mean healthier profit margins, giving companies more room to optimize capital structures and enhance returns.

However, there are risks associated with rate cuts. If policymakers trim rates too quickly, inflationary pressures might increase, pushing up the costs of business inputs. Furthermore, should consumers view rate cuts as an indication of economic distress, their spending might shrink, potentially restraining revenue growth even as interest costs decrease.

September's Historical Volatility

September has been turbulent for the stock market, and 2023 is no different. Several factors contribute to this seasonal phenomenon:

  • Post-Summer Adjustments: As institutional investors return from summer breaks, September sees a spike in trading volumes. This increased activity can lead to more pronounced price swings, particularly as investors reposition portfolios anticipating the Q4 earnings season.
  • Uncertainty in Earnings: With earnings season still weeks away, investors rely on macroeconomic data, such as the CPI, to assess market health. This reliance on broader indicators and political and fiscal uncertainties can exacerbate volatility.
  • Geopolitical Risks: September often brings renewed scrutiny to geopolitical risks, especially in an election year. In 2023, factors such as U.S. fiscal policy and global tensions add to market uncertainty.

Behavioral finance theories suggest that traders returning from summer are more likely to engage in profit-taking or selling off riskier positions, contributing to the month's historical volatility. As seen with Wednesday's CPI-driven selloff and subsequent recovery, such fluctuations can lead to exaggerated market reactions to seemingly routine economic data.

Vice President Harris and Corporate Taxation.

Vice President of America : Kamala Harris.

Political developments also weigh on investors' minds. Vice President Kamala Harris' recent debate performance has reinvigorated discussions about her economic policies, especially her proposal to raise the corporate tax rate from 21% to 28%. While still below the pre-2017 rate of 35%, this increase could have significant implications for corporate profitability:

  • Corporate Tax Impact: A higher corporate tax rate would cut into after-tax profits, particularly affecting companies that benefited from the lower 21% rate. Tech and industrial firms that rely heavily on retained earnings for research and development or capital investments might be especially vulnerable.
  • Investment and Hiring: Higher taxes could cause companies to delay capital investments or hiring plans, reducing economic growth. Some companies might seek to mitigate these effects by scaling back on planned expansions, further dampening market sentiment.
  • Global Competitiveness: An increase in the corporate tax rate could reduce the international competitiveness of U.S. businesses, particularly in comparison to countries with more favorable tax regimes. Corporate tax rates influence where multinational companies allocate resources and expand operations.

For investors, Harris' corporate tax proposal introduces new uncertainties about the long-term outlook for U.S. businesses. Any taxation increase in sectors with tight profit margins could significantly alter growth strategies and investment plans.

The Fed's Delicate Balancing Act

The Federal Reserve's dual mandate — maximizing employment while ensuring price stability — has become increasingly challenging in the current environment. While headline inflation continues to decline, core inflation remains stubbornly high, complicating the central bank's decision-making process:

  • Price Stability: Core CPI data is a key metric the Fed uses to gauge inflationary trends. The August report's core reading of a 0.3% rise highlights the persistence of inflationary pressures, especially in areas like housing and healthcare. This poses a risk that cutting rates too aggressively could reignite inflation.
  • Maximum Employment: Though the labor market remains robust, real wage growth has struggled to keep pace with inflation. The Fed must carefully consider whether cutting rates will boost employment without sparking excessive inflation, particularly in sectors still recovering from pandemic disruptions.

Given these competing concerns, the Fed will likely opt for a more cautious approach to rate cuts. A quarter-point reduction would allow for some economic stimulus without signaling panic or exacerbating inflationary pressures.

Analysis: A Complex Economic Landscape

Following the August CPI report, the Federal Reserve's position has become significantly more precarious. While headline inflation continues downward, core inflation's tenacity presents a nuanced dilemma. A premature or overly aggressive rate cut could stoke inflationary pressures, particularly in core sectors like housing and healthcare, which remain stubbornly elevated. On the other hand, I have maintained a hawkish stance for too long, which risks stifling economic growth and exacerbating concerns over corporate profitability, consumer spending, and investment.

The market's dramatic mid-day turnaround suggests that investors are beginning to adapt to this reality. The modest gains by the close may signal that after the initial panic, traders are cautiously optimistic that a gradual pace of rate cuts, instead of a more aggressive approach, might better stabilize long-term growth. Yet, the unpredictability of September, alongside lingering fears of persistent inflation, will likely keep volatility elevated in the near term.

In this delicate balancing act, the Federal Reserve's upcoming policy decisions will be pivotal in determining the trajectory of the broader economy and financial markets in the months ahead. Given the current economic conditions, Market participants are grappling with an increasingly unpredictable and volatile environment, leaving little margin for error. Every decision made by those in authority will undergo scrutiny.

Sources:

https://www.bls.gov/news.release/cpi.nr0.htm

https://finance.yahoo.com/quote/%5EDJI%3B/

https://finance.yahoo.com/quote/%5EGSPC/

https://finance.yahoo.com/quote/%5EIXIC/

https://www.peakframeworks.com/post/fear-greed-index

https://www.investors.com/news/economy/cpi-inflation-rate-august-federal-reserve-rate-cuts-sp-500/

https://www.investopedia.com/articles/stocks/09/how-interest-rates-affect-markets.asp#:~:text=Lower%20interest%20rates%20encourage%20big,the%20values%20of%20existing%20bonds.

https://www.reuters.com/markets/us/wall-street-worries-harris-tax-plan-would-hurt-us-corporate-profits-2024-09-10/

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Samuel Atta Amponsah

Sammy is a 24yr old avid reader and productivity junkie with an unquenchable curiosity and has an array of interests he writes about on multiple platforms.