It was a Jekyll‑and‑Hyde week for investors. Early‑month enthusiasm for artificial‑intelligence (AI) stocks sent the Nasdaq climbing more than 2% by Wednesday, but a cascade of disappointing tech earnings sparked a sharp sell‑off. By Friday the Nasdaq was down 2% for the week and had slipped 5.3% for October. The S&P 500 followed a similar pattern, ending the week roughly 2% lower, though it held up better on a monthly basis. The Dow fared the best, losing less than 1% for the week and gaining 1.7% for October as investors rotated into defensive sectors.
Renewed concerns about higher interest rates added pressure. Federal Reserve Chairman Kevin Warsh signaled that another rate hike could be on the way, heightening worries that tech firms may be over‑leveraged in the race to expand AI capabilities. The combination of rate‑hike expectations and softer earnings proved a powerful catalyst for the market’s reversal.
Three developments dominated the week. First, semiconductor stocks staged a brief rally after strong data from Anthropic’s IPO filing and SK Hynix’s record quarterly profit, propelling the iShares Semiconductor ETF (SOXX) up about 9% in the first three sessions. That momentum quickly faded, however, as disappointing Big‑Tech earnings revived concerns about AI spending.
Intel’s weak outlook on Thursday sent its shares plunging more than 28% on Friday, making it the week’s worst performer. Jim Cramer noted the sharp decline, while portfolio director Jeff Marks later commented, “The data‑center story at Intel is still mostly intact, but what we got wrong was the sharp drop in personal‑computer CPU demand due to the high cost of memory and some execution hiccups.”
Second, earnings from Microsoft, Alphabet, and Amazon highlighted a shift in investor sentiment toward financial discipline and clearer returns on AI investments.
Microsoft delivered solid results, with Azure revenue growing 48% and capital spending coming in below expectations. Shares initially rallied before paring gains, but the company’s ability to deliver robust cloud growth while controlling spending earned praise. The analysts raised the price target to $580 from $550 and maintained a hold‑equivalent rating. Microsoft’s stock fell only 0.5% for the week, a relative win amid broader tech weakness.
Alphabet faced a harsher reaction. The search giant missed earnings and revenue expectations on Thursday and reported negative free cash flow, leading to a roughly 12% drop in its share price. Strong cloud growth could not offset disappointing advertising results and concerns about massive AI investments. Alphabet was the week’s second‑worst performer, down 12.6%.
Amazon also missed Thursday’s earnings expectations, with weaker retail and advertising results outweighing accelerating growth at Amazon Web Services (AWS). Shares fell 1.4% on Friday after touching a 6% low earlier in the session. Investors focused on the company’s negative free cash flow and upcoming capital‑spending plans. AWS, however, continued to show rapid expansion—its fastest revenue growth in nearly five years—prompting Jim Cramer to say, “I think you buy Amazon here.” For the week, Amazon lost 3%.
Third, the rotation out of high‑beta tech names benefited defensive sectors. Eli Lilly surged more than 6% to a record high after another beat‑and‑raise quarter driven by strong demand for obesity and diabetes drugs. The stock extended gains on Friday, finishing the week up more than 11% and earning a raised price target to $1,500 from $1,300. Healthcare led the week’s outperformers.
FedEx and its Freight subsidiary were among the top winners. Despite a softer current outlook, FedEx shares rallied as investors focused on efficiency gains under CEO Raj Subramaniam. Jim Cramer reiterated a buy view, though he cautioned against chasing the stock. FedEx rose nearly 5% for the week, while FedEx Freight surged nearly 15% after a strong standalone earnings report, bolstered by pricing improvements and operational upgrades. Linde and Starbucks also posted encouraging results, with Linde benefiting from semiconductor demand and Starbucks showing solid comparable‑sales growth under CEO Brian Niccol. Jim called Starbucks a buy during Friday’s Morning Meeting, and both stocks posted weekly gains of about 3% and 1%, respectively.
Among the losers, Boeing fell more than 10% after management pushed back its target of $10 billion in annual free cash flow to 2029, overshadowing a record $745 billion backlog. Analysts kept a buy‑equivalent rating but lowered the price target to $225. The stock closed the week down nearly 9%.
Overall, the week illustrated a rapid shift from AI‑driven optimism to a more cautious outlook, with defensive names and non‑tech winners outperforming as investors reassessed the sustainability of tech spending and the impact of potential rate hikes.
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