Week 43: FOMC Hold Priced, Oil Surges Past $100, and Meta's Tax Shock Rattles Tech

With the October rate hike all but taken off the table, markets split sharply along value and growth lines: the Russell 2000 surged 2%, energy hit record highs, and Brent crude closed above $116, while a $16 billion tax charge sent Meta tumbling and Communication Services led the week's losses.

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Weekly Summary

Week 43 (19–23 October) was primarily defined by rotation. October FOMC rate hike odds collapsed from last week's 43.7% to approximately 8% by Thursday's close: driven by stronger-than-expected PMI data and a reassessment of the CPI shock's durability. The resulting repricing unleashed a sharp divergence: the Russell 2000 surged 2.00% as rate-sensitive small caps came back to life, the Dow added 0.42%, while the S&P 500 slipped 0.47% and the Nasdaq Composite fell approximately 0.71% as technology and communication services gave back ground.

Meta's Q3 earnings were the week's largest equity event: revenue of $64.6 billion beat expectations, but a $16 billion non-cash tax charge under the "One Big Beautiful Bill Act" pushed GAAP EPS to $3.83 against a $6.67 consensus, sending the stock down more than 7%. TSMC delivered the opposite story: revenue up 41% in US-dollar terms, profit up 68.7%, and CEO C.C. Wei calling AI chip demand "extremely robust." Oil extended its advance: Brent settled at $116.72 Friday (+6.24% WTD) and WTI at $103.27 as Strait of Hormuz disruption and Russian refinery damage deepened supply fears. Gold fell nearly 4% on the week (briefly touching a sub-$4,000 intraday low for the first time since July) as the safe-haven bid unwound with rate-hike fears. The 10-year Treasury yield fell 8.9 basis points to 5.001%, breaking below the 5% threshold for the first time since the post-CPI spike.

For the Rivativ model portfolios, a quiet and broadly constructive week. Predictive Gamma was the standout. Combined weekly result: +0.04%, versus SPX -0.47%. October month-to-date: combined +0.18%, versus SPX -0.36%.

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