## Market Dynamics Shaped by Inflation Data and Mixed Corporate Results
US equity markets experienced a cautious start to Tuesday's trading session, with major indices showing marginal movement. This subdued reaction followed the release of key December inflation figures, which largely aligned with projections, thereby bolstering expectations for potential interest rate reductions later in the year, even as investors digested an uneven beginning to the quarterly earnings cycle from industry giants like JPMorgan and Delta Air Lines.
The detailed Consumer Price Index (CPI) report indicated encouraging softness in underlying price pressures. Core inflation, which excludes volatile food and energy components, advanced only 0.2% month-over-month in December, falling slightly below the 0.3% rise anticipated by economic consensus. Both the overall and core annual CPI gauges climbed 2.6%, matching the rate of increase observed in November.
Market participants interpreted these softening signals as confirmation that the Federal Reserve is on track for monetary easing. Based on LSEG data, traders are now strongly pricing in a minimum of two 25-basis-point cuts slated for the latter half of the year, occurring between June and December, with a minor probability assigned to a third reduction. Commenting on the outlook, Skyler Weinand, chief investment officer at Regan Capital, noted that the central bank will likely adopt a wait-and-see approach. "The Fed is likely to take its time and absorb more data," Weinand said, "especially given the noise we’ve seen in the recent data as a result of the government shutdown."
### Earnings Season Kicks Off
The initial rush of quarterly earnings provided a mixed narrative for investors. JPMorgan Chase saw its shares tick up modestly in premarket trading after announcing fourth-quarter profits that surpassed expectations. The banking behemoth's success was largely driven by robust performance in its trading divisions, which successfully capitalized on volatile market conditions. Expectations remain high for other major financial institutions reporting later this week, anticipating stronger results fueled by a recent uptick in dealmaking activity.
Conversely, Delta Air Lines shares suffered a sharp reversal, plummeting 4.6%. The airline's decline stemmed from its mid-point profit forecast for 2026, which failed to satisfy analysts' projections. The weakness in Delta spilled over into the broader aviation sector, dragging down competitors such as United Airlines and American Airlines, which both lost approximately 2%.
### Small Caps Take the Lead
While the primary indices showed restraint, a notable market trend has been the aggressive shift toward smaller capitalized companies. Despite lingering concerns over lofty valuations across the board, the Russell 2000 index has significantly outpaced its large-cap peers since the start of the year, posting a robust 6.2% increase through the first seven trading days of 2026. This performance dramatically exceeded the S&P 500’s 1.9% gain during the same period.
While Wall Street opened the week shaken by news of a criminal investigation involving Fed Chair Jerome Powell—a development largely shrugged off later in the session—investors are now weighing whether the small-cap rally has true staying power. Ryan Detrick, chief market strategist at Carson Group, expressed caution: "We’ve seen fits and starts from small caps for years now. We need to see a little more to believe this is finally the time." However, he acknowledged potential tailwinds: "A slightly stronger economy and potentially a more dovish Fed could prove beneficial for small caps."
In sector-specific news, chipmakers rallied strongly following favorable analyst coverage. KeyBanc upgraded both Intel and AMD shares to "overweight," driving Intel stock up 3.9% and AMD shares 3.5% higher. Meanwhile, BNY Mellon saw its shares slip 0.6%, despite raising its profitability targets.
