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Apple’s iPhone Duo in short supply, plus two AI-linked stocks

CNBC reported Oct 21 that Apple’s iPhone Duo is in short supply and that its Investing Club highlighted two stocks it said are fueling an AI rebound in the Homestretch update.

MarketAlleys Research Desk

Published · 3 min read

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Illustration for: Apple’s iPhone Duo in short supply, plus two AI-linked stocks
Illustration (AI-generated) — not a photograph of the events described.

What happened

CNBC reported on Oct 21, 18:45 UTC that Apple’s iPhone Duo is in short supply and that the report also highlighted two stocks it said are fueling an AI rebound. The item was published as part of CNBC’s Investing Club coverage under the headline shown above.

CNBC described the Investing Club’s Homestretch as “an actionable afternoon update just in time for the last hour of trading.”

Stocks market context

As of Oct 21, 19:30 UTC the SPY ETF was $773.24 and rose 0.54% from the prior close, while the QQQ ETF was $726.06 and rose 1.17% from the prior close. As of Oct 21, 19:31 UTC NVIDIA was $221.17 and rose 2.17% from the prior close; Apple was $344.37 and rose 1.43% from the prior close; Microsoft was $532.20 and rose 0.06% from the prior close; Amazon was $262.73 and was little changed from the prior close; Alphabet was $334.39 and fell 1.73% from the prior close; Meta Platforms was $703.16 and rose 1.28% from the prior close; Tesla was $386.96 and rose 3.55% from the prior close; and JPMorgan Chase was $334.38 and fell 0.26% from the prior close.

Instrument Last Change Basis As of Source
S&P 500 (via SPY ETF) $773.24 +0.54% vs prior close Oct 21, 19:30 UTC Finnhub
Nasdaq 100 (via QQQ ETF) $726.06 +1.17% vs prior close Oct 21, 19:30 UTC Finnhub
NVIDIA $221.17 +2.17% vs prior close Oct 21, 19:31 UTC Finnhub
Apple $344.37 +1.43% vs prior close Oct 21, 19:31 UTC Finnhub
Microsoft $532.20 +0.06% vs prior close Oct 21, 19:31 UTC Finnhub
Amazon $262.73 +0.04% vs prior close Oct 21, 19:31 UTC Finnhub
Alphabet $334.39 -1.73% vs prior close Oct 21, 19:31 UTC Finnhub
Meta Platforms $703.16 +1.28% vs prior close Oct 21, 19:31 UTC Finnhub
Tesla $386.96 +3.55% vs prior close Oct 21, 19:31 UTC Finnhub
JPMorgan Chase $334.38 -0.26% vs prior close Oct 21, 19:31 UTC Finnhub

Yahoo published "I Tested Apple’s iPhone Duo for a Week. Is It Worth $2,000?" and "What it’s like to use the iPhone Duo for a week." Yahoo also ran "Bank of America finds a quicker path to Apple's iPhone Duo" and "Apple’s iPhone Supply Chain Risk Spells Trouble for This Semiconductor Stock."

What to watch

META Q3 2026 earnings and TSLA Q3 2026 earnings are scheduled Wed Oct 21 (after the close).

  • Wed Oct 21 (after the close) — META Q3 2026 earnings · EPS estimate 6.00
  • Wed Oct 21 (after the close) — TSLA Q3 2026 earnings · EPS estimate 0.44
  • Wed Oct 21 (after the close) — IBM Q3 2026 earnings · EPS estimate 2.89
  • Thu Oct 22 (before the open) — VLO Q3 2026 earnings · EPS estimate 21.17
  • Thu Oct 22 (before the open) — CMCSA Q3 2026 earnings · EPS estimate 1.01
  • Thu Oct 22 (before the open) — PG Q1 2027 earnings · EPS estimate 1.94

Sources and data

  • CNBC (secondary source) — Apple's iPhone Duo in short supply — plus, the 2 stocks fueling an AI rebound
  • Yahoo (secondary source) — I Tested Apple’s iPhone Duo for a Week. Is It Worth $2,000?
  • Finnhub (market data) — market data

Market data as of Oct 21, 19:31 UTC; report generated Oct 21, 19:40 UTC. All times are UTC. Each table row shows its own timestamp and provider.

This report was produced by the MarketAlleys Research Desk using automated data processing and language tools from the sources listed above, and checked against our automated-content validation rules. It is for information only and is not investment advice.

Terms in this article

Sources & data

  1. CNBC (secondary, retrieved Oct 21, 2026, 07:42 PM UTC)
  2. Yahoo (secondary, retrieved Oct 21, 2026, 07:42 PM UTC)
  3. Finnhub (market-data, retrieved Oct 21, 2026, 07:42 PM UTC)

Market data as of Oct 21, 2026, 07:31 PM UTC.

This report was produced by the MarketAlleys Research Desk using automated data processing and language tools, built only from the cited sources and validated by rules described in our methodology. Spot an error? Request a correction.

Ask about this story

Questions are answered only from this article and the sources it cites.

MarketAlleys provides news and analysis for information only; it is not investment advice or a recommendation to buy or sell any security. Markets involve risk. Risk disclaimer.

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