Weekend Wrap: Cyber Stocks Surge as ZS Jumps 20%

📊 Weekly Market Scoreboard

Week ending October 23, 2026

🏢 Sector Heatmap

🔎 The Week That Was

This week, the market split in two. The Nasdaq slid 1.80% to 25,955.34 and the S&P 500 dipped 0.87% to 7,623.68. Meanwhile, the Dow climbed 0.48% to 52,215.16, and the small-cap Russell 2000 jumped 1.74% to 2,775.90. That isn't a market running for the exits. It's a market changing seats.

The sector scoreboard tells the story. Utilities led with a 2.90% gain, followed by Energy (+2.26%), Real Estate (+2.16%), and Healthcare (+2.07%), all classic places to park money when growth names feel shaky. At the bottom, Communication Services sank 4.16% and Technology fell 1.47%, as investors pulled back from the mega-caps that have carried the index.

The news backed up the defensive mood. Johnson & Johnson reported that its prostate cancer drug shrank tumors in an early-stage trial, giving healthcare some company-specific momentum. BP settled its Deepwater Horizon disputes with Louisiana, and Eni is reportedly close to signing $1.8 billion in Cyprus gas contracts, keeping energy in the headlines. Overseas, Moody's held France's rating steady despite political turmoil and rising yields, which removed one potential source of stress.

This matters for the week ahead because the rotation is about to be tested. Microsoft and Alphabet both report Wednesday, so investors will soon learn whether Big Tech's slide was a buying opportunity or the start of something longer. Until then, expect the market to stay cautious and keep an eye on whether small caps can hold their gains.

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🟢 Top 5 Winners

🔴 Top 5 Losers

📈 What Drove the Moves

Cybersecurity had the best week of any group. Zscaler (ZS) soared 20.05% to $255.15, CrowdStrike (CRWD) gained 12.92% to $257.57, Palo Alto Networks (PANW) rose 9.68% to $380.55, and Cloudflare (NET) added 9.46% to $325.73. The likely trigger was what headlines are calling "AI's Black October," a set of critical PHP vulnerabilities that set off a global security scramble. When companies rush to patch holes, the firms selling the patches tend to benefit, and investors priced that in fast.

Atlassian (TEAM) rounded out the top five with a 5.99% gain to $227.61. That shows investors didn't dump all of tech. They just got picky about which parts of it to own. Software tied to security and enterprise workflows outperformed, while consumer-facing platforms struggled.

The losers list is almost entirely Communication Services, which explains that sector's 4.16% drop. Meta (META) led the decline, falling 8.91% to $642.62, with Alphabet (GOOGL) down 6.96% to $320.21 and Netflix (NFLX) down 5.73% to $65.85. DoorDash (DASH) fell 7.31% to $179.38 and Intel (INTC) dropped 5.51% to $86.96. Those declines reflect broad pressure on ad-driven platforms and consumer-tech names, so the selling looks less like one bad report and more like investors trimming crowded positions.

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📅 Earnings: Week Ahead

🔭 What to Watch This Week

Wednesday is the main event. Microsoft (MSFT) reports with Wall Street expecting $4.71 per share, and Alphabet (GOOGL) is expected to post $2.94. After Alphabet's nearly 7% drop this week, the bar for reassurance is high. Watch cloud growth and AI spending commentary from both companies, since that will likely decide whether tech stabilizes or keeps sliding.

Tuesday is a payments and consumer day. Visa (V) is expected to earn $3.43 per share, PayPal (PYPL) $1.31, and SoFi (SOFI) $0.17, which together offer a quick read on how much consumers are spending and borrowing. Coca-Cola (KO), expected at $0.87, will show whether staples can justify their recent defensive gains. Boeing (BA) is expected to post a loss of $0.21 per share, so investors will focus on production progress more than the headline number.

The week opens Monday with Verizon (VZ), expected at $1.27 per share, an early test for the battered Communication Services sector. Ford (F) at $0.39 and FedEx (FDX) at $3.24 report Wednesday alongside the tech giants, giving a read on autos and shipping demand. Add reports that an Audi factory plan for Georgia may be announced, and manufacturing could get some attention this week too.

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