John F. Heerdink, Jr., Author at Vista Partners LLC

Iovance Biotherapeutics revenue guidance display in a modern trading-floor setting, highlighting rising Amtagvi demand, a Goldman Sachs Buy rating, and NASDAQ market screens.

Iovance Biotherapeutics Raises 2026 Revenue Guidance as Amtagvi Demand Accelerates & Goldman Resumes Coverage – ( $GS $IOVA $XBI $IBB )

by John F. Heerdink, Jr. 7 hours ago 103Views 0Likes

Iovance Biotherapeutics, Inc. (NASDAQ: IOVA) delivered the sort of update growth investors prefer: higher guidance, record revenue, expanding treatment access, and a more visible route toward operating leverage. Shares climbed sharply after the company lifted its 2026 revenue outlook, suggesting Wall Street is…

Daily stock market summary graphic for Tuesday, September 29, 2026, showing a declining market-index chart, the message “Stocks Finish Lower,” and an elevated bond-yield gauge noting that high Treasury yields added pressure to equities.

Daily Stock Market Summary ( Tuesday, September 29, 2026): Stocks Finish Lower As Yields Stay Elevated -( $AMZN $CCL $DOCS $EPRX $F $FICO $IOVA $META $MODD $SER $SHOP $TGT $WMT $YSG )

by John F. Heerdink, Jr. 14 hours ago 103173Views 0Likes

NYSE trading floor with screens showing stocks sliding as rising U.S. Treasury yields and Walmart (WMT) earnings pressure risk assets on August 20, 2026.

Investor-focused healthcare graphic showing a laboratory scene, a clinician holding a drug-delivery device, a glowing brain illustration, molecular imagery and a city skyline. The image highlights AbbVie Inc. (NYSE: ABBV) receiving FDA approval for JUVMO (tavapadon) for Parkinson’s disease and positions Serina Therapeutics Inc. (NYSE American: SER) and its SER-252 program as a potential next-generation therapy opportunity in advanced Parkinson’s disease.

AbbVie’s JUVMO Approval Puts Parkinson’s Innovation Back in Motion And Serina Therapeutics Has a Timely Opening -( $ABBV $AMRX $SER $SUPN $IBB $XBI )

by John F. Heerdink, Jr. 1 day ago 144Views 0Likes

AbbVie Inc. (NYSE: ABBV) has secured (Sept. 28) FDA approval for JUVMO™ (tavapadon), a new once-daily Parkinson’s therapy, adding an important fresh option to a market long defined by the delicate art of managing motor symptoms, “OFF” time, dyskinesia and medication burden. For Serina…

Stock market trading floor displays falling S&P 500 and Nasdaq as Treasury yields and oil prices rise on September 28, 2026.

Stock Market Today (Sept. 28, 2026): S&P 500 and Nasdaq Fall as Treasury Yields and Oil Rekindle Inflation Fears -( $AEO $AMC $AMWL $BE $KOD $LPL $MODD $NVDA $SER $SPCX $VIX )

by John F. Heerdink, Jr. 2 days ago 85481Views 0Likes

NYSE trading floor with screens showing stocks sliding as rising U.S. Treasury yields and Walmart (WMT) earnings pressure risk assets on August 20, 2026.

Illustration of a futuristic biotech bear in a forest alongside a princess and armored knight, symbolizing the growing investment opportunity in durable drug-delivery therapies for retinal disease, eosinophilic esophagitis, and Parkinson’s disease.

Biotech’s Durability Trade Is Getting Interesting: Kodiak, Eupraxia and Serina Put the Burden of Treatment in Focus -( $ABBV $EPRX $IBB $KOD $SER $XBI )

by John F. Heerdink, Jr. 2 days ago 240Views 0Likes

The biotech market has long rewarded breakthrough efficacy. Increasingly, it is also rewarding something patients and physicians understand with unusual clarity: less treatment burden. Fresh clinical updates from Kodiak Sciences Inc. (NASDAQ: KOD), Eupraxia Pharmaceuticals Inc. (NASDAQ: EPRX), and Serina Therapeutics Inc. (NYSE…

Vintage comic-book illustration showing Valar Atomics and NVIDIA powering the AI infrastructure trade, with nuclear energy, glowing electrical conduits, a data center, city skyline and the headline “Power Is the Prize.”

Valar Atomics, NVIDIA and the New AI Infrastructure Trade: Power Is the Prize -( $BA $NVDA )

by John F. Heerdink, Jr. 2 days ago 158Views 0Likes

The next chapter of the artificial-intelligence buildout may be written not only in silicon, but in steel, concrete, uranium fuel and very patient permitting offices. Valar Atomics’ push to develop nuclear “gigasites” alongside the AI infrastructure boom highlights a larger investment theme:…

Illustrated bowling-alley scene featuring NVIDIA CEO Jensen Huang celebrating a strike, with an NVDA market ticker referencing AI safety rails and a $150 billion stock buyback as an audience applauds.

NVIDIA Brings Safety Rails and a $150 Billion Buyback As The Stock Market Positions For Dense Macro Test This Week -( $CRWV $CSCO $DELL $HPE $IBM $MSFT $NVDA $ORCL $SMCI )

by John F. Heerdink, Jr. 2 days ago 253Views 0Likes

NVIDIA Corp. (NASDAQ: NVDA) seemingly has given many a two-part bullish signal: a record-sized $150 billion increase to its share-repurchase authorization and a new AI-agent safety platform aimed at making autonomous software more secure for enterprise deployment. The combination suggests a company using…

Storm-battered “Physical AI” data center connected to a power grid, illustrating AI infrastructure, resilient energy systems and 24/7 computing reliability.

The “Physical AI” Economy: Compute, Energy and Resilience Move to Center Stage During This Weekend’s nor’easter & Beyond -( $AMZN $MSFT $NVDA $ORCL $PSKY $SOC $QCOM )

by John F. Heerdink, Jr. 3 days ago 322Views 0Likes

Wall Street’s latest AI conversation is becoming less about clever chatbots and more about the decidedly unglamorous work of power, chips, networks, security and uptime. That shift may be constructive for investors: it broadens the AI opportunity from a small club of…

Illustrated editorial graphic of Elon Musk standing beside a Tesla Semi truck in a Nevada desert landscape, with freight trucks on a highway, Gigafactory Nevada in the distance, and SpaceX rockets flying toward space and Mars.

Tesla Semi’s Nevada Debut ‘Sparks’ Elon Musk’s Bigger Freight Ambition -( $SPCX $TSLA )

by John F. Heerdink, Jr. 5 days ago 164Views 0Likes

Tesla, Inc. (NASDAQ: TSLA) has opened its dedicated Tesla Semi factory in Sparks, Nevada, turning the company’s electric-truck program from a long-running promise into a visible industrial ramp. The event’s central message was straightforward: Tesla believes the next meaningful EV battlefield is…

Illustrated weekly market summary for September 25, 2026, showing a glowing green bull and rising stock chart on the left, oil pumpjacks and pipelines in the center labeled “Oil Pullback,” and a bridge made of U.S. dollar bills on the right, representing higher U.S. equities, lower crude prices and ongoing macroeconomic uncertainty.

Weekly Market Summary (Sept. 25, 2026): Stocks Gain as Oil Pullback Eases Pressure, While Treasury Yields Stay Elevated -( $AKAM $AMWL $DOCS $LPL $META $MODD $MSFT $NVDA $SER $YSG )

by John F. Heerdink, Jr. 5 days ago 84365Views 0Likes

NYSE trading floor with screens showing stocks sliding as rising U.S. Treasury yields and Walmart (WMT) earnings pressure risk assets on August 20, 2026.

Author page: John F. Heerdink, Jr.

Iovance Biotherapeutics Raises 2026 Revenue Guidance as Amtagvi Demand Accelerates & Goldman Resumes Coverage – ( $GS $IOVA $XBI $IBB )

Daily Stock Market Summary ( Tuesday, September 29, 2026): Stocks Finish Lower As Yields Stay Elevated -( $AMZN $CCL $DOCS $EPRX $F $FICO $IOVA $META $MODD $SER $SHOP $TGT $WMT $YSG )

AbbVie’s JUVMO Approval Puts Parkinson’s Innovation Back in Motion And Serina Therapeutics Has a Timely Opening -( $ABBV $AMRX $SER $SUPN $IBB $XBI )

Stock Market Today (Sept. 28, 2026): S&P 500 and Nasdaq Fall as Treasury Yields and Oil Rekindle Inflation Fears -( $AEO $AMC $AMWL $BE $KOD $LPL $MODD $NVDA $SER $SPCX $VIX )

Biotech’s Durability Trade Is Getting Interesting: Kodiak, Eupraxia and Serina Put the Burden of Treatment in Focus -( $ABBV $EPRX $IBB $KOD $SER $XBI )

Valar Atomics, NVIDIA and the New AI Infrastructure Trade: Power Is the Prize -( $BA $NVDA )

NVIDIA Brings Safety Rails and a $150 Billion Buyback As The Stock Market Positions For Dense Macro Test This Week -( $CRWV $CSCO $DELL $HPE $IBM $MSFT $NVDA $ORCL $SMCI )

The “Physical AI” Economy: Compute, Energy and Resilience Move to Center Stage During This Weekend’s nor’easter & Beyond -( $AMZN $MSFT $NVDA $ORCL $PSKY $SOC $QCOM )

Tesla Semi’s Nevada Debut ‘Sparks’ Elon Musk’s Bigger Freight Ambition -( $SPCX $TSLA )

Weekly Market Summary (Sept. 25, 2026): Stocks Gain as Oil Pullback Eases Pressure, While Treasury Yields Stay Elevated -( $AKAM $AMWL $DOCS $LPL $META $MODD $MSFT $NVDA $SER $YSG )

Your Guide To Staying Informed In The Markets