Today: 21 June 2026
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Artificial Intelligence 19 June 2026 - 20 June 2026

Constellation Energy shares rose 8% for the holiday-shortened week, closing at $274.06, with the next focus on whether new grid rules and project approvals will convert AI-driven power demand into cash flow. Broadcom gained 4.7% to $411.35, its second straight advance, though it remains well below its June 3 high as investors question the sustainability of AI-related optimism. Dell closed at $409.50, down 2.34% for the session but still up about 3.5% since June 12. Palantir ended June 18 at $128.47, down 1.65% for the day but up 0.4% from June 12. Applied Digital closed at $46.59, up 2.24% for the day and 9.1% for the week, after completing a $1.59 billion senior-secured notes sale. Seagate finished at $1,070.23, up 0.39% for the day and nearly 15% for the week, with AI storage as a theme. Coherent rose 2.8% to $389.57 and signed a letter of intent for up to $50 million from the U.S. CHIPS Act. Applied Optoelectronics ended at $161.85, down 3.3% for the day and 4.3% for the week, with recent filings and management comments highlighted. Western Digital closed at $746.23, up 4.79% for the day and 32.6% for the week, outperforming the Nasdaq Composite. Sandisk rose 11.54% to $2,184.75, with the Philadelphia semiconductor index up 7% for the week and Micron’s earnings ahead. Vertiv climbed 4.87% to $333.05, up nearly 10% for the week, as AI data-center cooling remains a focus. U.S. markets were closed Friday for Juneteenth.
Constellation Energy stock ends shortened week higher as AI power rules lift nuclear trade

Constellation Energy stock ends shortened week higher as AI power rules lift nuclear trade

Constellation Energy surged 8.0% this week to $274.06, outpacing the S&P 500, after a federal order to speed up grid access for AI data centers fueled heavy volume; the stock remains 33.6% below its 52-week high, with investors eyeing whether new grid rules and project approvals will translate AI-driven demand into actual revenue.
20 June 2026
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Dell closes out short week with gains, AI server push stays in view

Dell closes out short week with gains, AI server push stays in view

Dell closed at $409.50 on June 18, up about 3.5% from June 12, as investors focus on its booming AI server business after record Q1 results and a raised fiscal 2027 revenue outlook, with $24.4 billion in AI orders and a new quarterly dividend declared; all eyes now turn to the June 25 annual meeting amid ongoing risks from supply chain, demand, and tech sector volatility.
20 June 2026
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Applied Optoelectronics stock slips into holiday weekend as AI optics trade cools

Applied Optoelectronics stock slips into holiday weekend as AI optics trade cools

Applied Optoelectronics fell 4.3% in a holiday-shortened week to $161.85 as investors weighed insider-sale filings, a doubled credit line, and management’s warning that supply constraints—not demand—will limit 800G transceiver revenue into mid-2027, raising execution risks for one of the year’s most volatile AI-infrastructure stocks.
20 June 2026
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Vertiv sits close to its highs going into next week as AI data-center cooling trade stays in focus

Vertiv sits close to its highs going into next week as AI data-center cooling trade stays in focus

Vertiv surged nearly 10% to $333.05 over the holiday-shortened week, fueled by a GLJ Research upgrade and its completed ThermoKey acquisition, as investors bet on rising demand for AI data-center cooling; Thursday’s rally was the last print before the Juneteenth market closure, with trading set to resume under regular hours.
20 June 2026
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Keel Infrastructure trades near highs going into the week with AI-infrastructure theme in focus

Keel Infrastructure trades near highs going into the week with AI-infrastructure theme in focus

Keel shares soared to recent highs—TSX up 12.33% to C$9.93, Nasdaq up 5.36% to $6.29—after closing a $458M convertible note deal to fund its shift from bitcoin mining to AI infrastructure, but analysts’ average 12-month target of $5.29 trails the last close, highlighting risk if execution lags or costs rise as U.S. trading resumes Monday.
20 June 2026
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Shopify trades lower in Toronto with Nasdaq shut, focus stays on AI move and buyback

Shopify trades lower in Toronto with Nasdaq shut, focus stays on AI move and buyback

Shopify’s Toronto shares slipped 1.1% to C$152.06 as investors weighed its $5 billion buyback and new AI tools against concerns over second-quarter growth and cash flow, with U.S. shares idle for Juneteenth after a volatile week marked by a sharp midweek drop and lingering questions about the impact of AI-driven commerce on costs and demand.
19 June 2026
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Stock Market Today

  • Senator Pete Ricketts Earns $3.1M in Stock Market in One Month, Net Worth Hits $207.1M
    June 21, 2026, 1:13 AM EDT. Senator Pete Ricketts made an estimated $3.1 million in the stock market last month, according to live net worth estimates by Quiver Quantitative. His total net worth stands at approximately $207.1 million as of June 19, 2026, ranking him ninth richest in Congress. Ricketts holds about $120.1 million in publicly traded assets tracked live by Quiver. Recent SEC filings reveal trades including $BRK.B, $EQNR, $PG, $GD, and $JNJ, with some stocks gaining over 40% since sale. Ricketts proposed several bills on financial tech partnerships, food nutrition, defense exports, and rural banking. He also disclosed fundraising of $157,700 and spending of $217,100 in a recent FEC filing, maintaining $1.1 million cash on hand.

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Home Depot shares finish week up as investors weigh housing numbers

Home Depot shares finish week up as investors weigh housing numbers

21 June 2026
Home Depot jumped 2.1% to $334.28 in a shortened week as Wall Street rallied, but weak U.S. housing starts and upcoming May new-home-sales data keep pressure on the home-improvement outlook; the company reaffirmed 2026 sales and earnings targets despite volatile conditions and persistent housing affordability concerns.
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