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Jerome Powell’s Impact on Markets During His Tenure at the Federal Reserve
Jerome Powell’s time as Chair of the Federal Reserve has been marked by significant volatility and unprecedented challenges. From his tenure beginning in February 2018 to its nearing conclusion, Powell has guided the Fed through a turbulent landscape, including the COVID-19 pandemic, a historic inflation surge, and an aggressive rate-hiking strategy. Despite these hurdles, financial markets demonstrated resilience, with notable gains across virtually every major asset class.
A Challenging Landscape
Powell’s leadership faced a series of monumental events. Initially, he took the reins during a period termed "Volmageddon," which instigated a shock to market volatility. Just two years into his term, the onset of the COVID-19 pandemic forced the Fed to take extraordinary measures, bringing interest rates down to near zero and injecting liquidity into credit markets to stave off economic disaster.
The most pressing challenge emerged in 2021 when inflation began to rise sharply. Initially deemed "transitory" by Powell, the reality of persistent inflation necessitated a dramatic policy shift. In 2022, the Fed raised interest rates at an unprecedented pace, leading to declines in both stocks and bonds, while investor confidence wavered amid concerns that the central bank’s actions could undermine economic stability.
Market Performance Under Powell
While the path has been bumpy, the results are telling. The S&P 500 index has achieved around 160% growth during Powell’s leadership, with the Nasdaq Composite posting an even more impressive increase of nearly 250%. This performance positions Powell’s term as one of the brightest for the S&P 500 among previous Fed chairs since 1970, boasting an annualised total return of 14.7%, according to Bespoke Investment Group.

How markets reacted to Jerome Powell versus prior Federal Reserve chairs. (Source: Bespoke Investment Group)
Diverse Market Rallies
What distinguishes Powell’s tenure is the diversity of market rallies that emerged throughout this period. The COVID recovery was propelled by expansive monetary and fiscal policies. Rising inflation redirected investor interests toward commodities and gold as protective measures. Later, the resurgence of stocks in the latter cycle was driven not solely by Fed policy but also by solid company earnings, advancements in artificial intelligence, and a focus on dominant growth sectors.
Despite the often-stormy economic climate, the breadth of market performance during Powell’s chairmanship is significant. Assets including commodities and bonds ended positively, although the bond market’s initial struggles during the inflation crisis were notable.
Conclusion
In summary, Jerome Powell’s leadership of the Federal Reserve has been characterised by a sequence of unprecedented challenges and market responses. Each phase of his tenure illustrated a distinct narrative, revealing that markets adapt and find new catalysts even in turbulent times. The result has been a historical cross-asset rally, showcasing resilience and adaptability amid challenges previously thought insurmountable.