Microsoft and Alphabet report tonight. Wall Street's earnings recovery has a catch.Earnings reactions are improving across more companies, but some heavyweight stocks are still dragging down the broader picture. Now a Federal Reserve decision, followed by earnings from two AI giants, will put that improvement to the test.Wednesday, October 28, 2026, could be one of the most consequential days of this earnings season.Microsoft (MSFT) and Alphabet (GOOG, GOOGL) report after the market closes, following the Federal Reserve's interest rate decision and press conference. The options market is pricing moves of approximately 5.1% for Microsoft and 6% for Alphabet through Friday.But before those results arrive, there is something interesting happening beneath the surface of earnings season.More companies are receiving positive reactions from investors. Yet the largest stocks have not consistently participated in that improvement.That distinction deserves attention, particularly for anyone holding the S&P 500, Nasdaq-100 or technology-heavy portfolios.Earnings season is improving, but not quite how you might expectEarlier this earnings season, Netflix, Tesla and Meta provided reasons for caution.Their stock reactions were disappointing, with Tesla and Meta offering particularly interesting examples of initial enthusiasm that subsequently faded.Was Wall Street becoming harder to impress, even when companies delivered respectable results?The latest earnings-reaction data suggests a more nuanced answer.Consider these observations from a third-party sample of companies reporting earnings between October 22 and October 27:Source: Third-party earnings-reaction snapshots reviewed through October 27. Figures relate to sampled earnings-reporting companies, not the performance of the S&P 500 or Nasdaq. Coverage and measurement completeness vary.October 26 is especially revealing.More than 71% of companies with usable reactions rose, with an average equal-weight gain of 2.16%.That sounds like a rather healthy earnings environment.Yet the market-capitalization-weighted reaction was negative 2.82%.Verizon, whose reported reaction was approximately -3.49%, exerted a disproportionate influence on that relatively small group.In other words, many companies were doing well, but the largest companies carried enough weight to overwhelm those gains.This is an important distinction for investors.An equal-weight calculation gives every company the same influence regardless of size. A capitalization-weighted calculation gives larger companies greater influence.The S&P 500 and Nasdaq-100 are capitalization-weighted indices. Consequently, a handful of very large technology companies can substantially influence index performance even when many smaller constituents are advancing.A healthy majority of stocks does not necessarily mean a healthy capitalization-weighted market.October 27 delivered a somewhat more encouraging development.Of 114 companies with usable reactions, 64 advanced. The equal-weight result was positive 1.79%, while capitalization-weighted performance also turned modestly positive, at 0.34%.There were also 10 upside moves beyond their expected ranges, compared with three downside breaches.That is constructive evidence, although the sample had important omissions, including Boeing and HSBC, and should not be treated as a complete reading of the earnings season.The emerging picture is therefore neutral to mildly defensive, but showing tentative signs of improvement.Some companies are still being rewarded handsomelyIt would be a mistake to interpret this earnings environment as uniformly bearish.Consider three positive reactions from the latest sample:SoFi (SOFI): +13.42%. A substantial repricing that demonstrates investors remain willing to reward individual companies aggressively.Cadence Design Systems (CDNS): +6.49%. A notable positive reaction from a company involved in semiconductor and electronic design software.UPS (UPS): +5.75%. A positive response worth monitoring for clues about investor expectations around logistics and business activity.These are observations from the supplied earnings-reaction snapshots, not forecasts of continued gains.The distinction is useful because a cautious overall earnings market can still produce attractive opportunities in individual stocks.And for traders, the second market reaction can be just as important as the first.A stock may jump immediately after earnings, only to surrender those gains during subsequent regular trading. Conversely, an initially disappointing reaction can recover as investors reassess the numbers and management commentary.That is why an earnings beat, an initial price jump and a sustained positive market response should be treated as three different things.The early October 28 reactions reinforce this need for patience. Initial weakness was observed in Visa, Robinhood, Seagate and NXP Semiconductors, while PPG Industries stood out positively.Those moves were provisional before the regular session and should not be confused with completed trading-day results.Microsoft and Alphabet face the next big testThe options market provides a useful indication of how much movement traders are preparing for, although it does not tell us which direction a stock will take.Indicative pre-earnings estimates using options expiring Friday, October 30, 2026. They are not guaranteed trading ranges or directional forecasts.There is an additional complication tonight: these implied ranges encompass both the Federal Reserve decision and the earnings announcements.That means the observed stock moves cannot automatically be attributed entirely to the earnings reports.For Microsoft, investors will be examining Azure cloud growth, enterprise AI demand, operating margins and the relationship between capital expenditure and future revenue.For Alphabet, attention will turn toward Google Search, advertising, Google Cloud, AI-related competition and the financial returns on its substantial infrastructure investments.The issue is not simply whether these companies are growing.Are they growing strongly enough to justify what investors have already priced into their shares?The answer may be particularly consequential because spending on AI infrastructure is increasingly being evaluated alongside the revenue and profitability it is expected to generate.Amazon reports on Thursday, October 29, adding another major test of cloud demand, AI expenditure and profitability.Together, these reports should help reveal whether investors are becoming more receptive to the financial performance of their largest technology holdings.Don't hold your breath for a clear answer from the FedBefore either company reports, markets must navigate the Federal Reserve.The FOMC statement is scheduled for 2:00 p.m. Eastern, followed by Fed Chair Kevin Warsh's press conference at 2:30 p.m.The broad expectation is for rates to remain unchanged in the 3.75%-4.00% target range.For those hoping Warsh will provide strong hints about the next policy decision, I would not necessarily hold my breath.With the US midterm elections approaching on November 3, it would not be surprising if the relatively new Fed Chair chose to communicate cautiously rather than risk unsettling markets.That is one possible interpretation, not evidence that election timing is determining monetary policy. Elevated inflation and uncertainty about its persistence already provide substantial reasons for caution.A lack of explicit forward guidance should not automatically be interpreted as dovish or bullish.Traders may find the more useful information in how Treasury yields, the dollar and equity indices react to the statement and press conference.For technology stocks, the connection matters.Higher interest rates and bond yields can reduce the present value of expected future earnings, putting additional pressure on valuations that already depend on substantial long-term growth.The Fed may therefore change the market's valuation environment before Microsoft and Alphabet release a single earnings number.Three things worth watching after tonight's announcementsFirst, watch which companies are participating in the earnings recovery.Improving breadth is encouraging, but a sustained recovery among the largest companies would provide stronger support for capitalization-weighted indices.Second, pay attention to the reaction relative to expectations.A positive earnings surprise does not necessarily translate into a positive stock reaction. Guidance, valuation and investors' expectations for future profitability can matter more than the headline earnings figure.The approximately 5.1% and 6% implied ranges also give traders a reference for whether price movement is unusually large relative to what options had priced.Third, don't judge the entire result from the first few minutes of after-hours trading.Watch whether the initial reaction holds, strengthens or reverses during Thursday's regular session.A positive reaction that survives the following session would be more persuasive evidence of sustained demand than a short-lived after-hours spike.Equally, a negative reaction followed by a convincing recovery could indicate that investors are more willing to absorb disappointing news than they were earlier in the earnings season.Neither outcome alone establishes a durable trend, but both provide useful evidence.There is more happening beyond Big TechTwo developments elsewhere in the market are worth connecting to this earnings discussion.The first is energy.As investingLive reported, crude oil has been responding to hopes of progress in US-Iran negotiations, although setbacks could revive upward pressure on prices.There have also been reports of Qatari mediators presenting Iran with a draft deal, with Tehran's response expected by the end of the week. However, conflicting statements and the absence of a confirmed agreement warrant caution.Why does that matter for stock investors?Because oil prices influence inflation expectations, which in turn can affect interest rate expectations and equity valuations. Even strong corporate earnings may struggle to lift the wider market if renewed energy inflation pushes bond yields higher.The second development comes from the banking sector.HSBC shares fell almost 7% despite a 32% jump in reported pre-tax profit, as weaker-than-expected revenue, stalled wealth income and the absence of upgraded guidance disappointed investors.It is another reminder that the market evaluates financial results against expectations, rather than simply rewarding companies for reporting higher profits.The bigger question for investorsTonight's Microsoft and Alphabet reports are important for more than their individual shareholders.They offer a significant test of whether the recent improvement in earnings breadth can translate into a more supportive environment for the very large companies that dominate major US stock indices.The recent evidence is not decisively bearish. In fact, parts of it are becoming more encouraging.But neither is it sufficiently strong to declare the cautious earnings environment over.For investors and traders, the next useful signal may not be whether Microsoft and Alphabet beat estimates. It may be whether Wall Street is finally prepared to reward the results, and keep rewarding them after the initial excitement fades. This article was written by Itai Levitan at investinglive.com.