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Lumentum's blowout quarter sent shockwaves through the entire optical supply chain, and now a brand-new ETF is betting the AI connectivity trade is just getting started. The question is whether that concentrated wager can hold up when hyperscaler capex turns.

Intel's stunning 176% run has the semiconductor sector buzzing, but with AMD trading at a jaw-dropping 123x earnings and a fresh dilution event on the table, figuring out where to hold and where to fold across chip stocks has never been more consequential.

Lumentum just torched Wall Street expectations and sent shockwaves through the entire AI optics complex, pulling peers like Coherent, Corning, and Ciena sharply higher as analysts scramble to figure out whether the rally has legs or has already outrun reality.

The Dow Jones Industrial Average was down 22 points, after rallying at the open. Optical networking and chip stocks were also rallying. Consumer discretionary, communication services, materials, energy, and health care were the laggards, while tech, real estate, and utilities were leading at the sector level.

The S&P 500 Index ($SPX ) (SPY ) is up +0.25%, the Dow Jones Industrial Average ($DOWI ) (DIA ) is up +0.07%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) is up +0.85%. September E-mini S&P futures (ESU26 ) are up +0.38%, and September E-mini Nasdaq futures (NQU26...

The broad market exchange-traded fund SPDR S&P 500 ETF Trust (SPY) was up 0.2%, and the actively tra

The Aura AI Photonics ETF just launched with no trading history and a narrow thematic bet on light-based data center tech, and four upcoming hyperscaler earnings calls will determine whether that bet pays off or collapses before year-end.

Trump's 15% polysilicon tariff may boost smaller U.S.-focused solar and semiconductor stocks but raise costs for import-dependent firms.

The broad market exchange-traded fund SPDR S&P 500 ETF Trust (SPY) was up 0.2% and the actively trad

Gold, space, defense and silver-mining ETFs soared last week as weak jobs data eased Fed rate-hike fears and boosted risk appetite.

<p>US-listed ETFs took in $37 billion last week, led by $10.2 billion into QQQ. But investors booked profits in semiconductor funds.</p>

<p>Here are the daily ETF fund flows for August 7, 2026.</p>

<p>High-bandwidth memory is sold out for all of 2026. SK Hynix has warned the shortage could last past 2030. Automakers are cutting production of budget models, and PC and smartphone prices are set to rise 10-20% by year-end. The chip supply chain crisis is the defining market story of 2026 and it is reshaping which ETFs win and which get squeezed. Here are the funds most exposed, on both sides of the trade.</p>

Software and chip stocks were stuck in a tug-of-war for the Nasdaq on Monday, and chips were winning. With the Nasdaq Composite down 0.4%, the iShares Semiconductor ETF was off 1.4%. On the flip side, the iShares Expanded Tech-Software Sector ETF was up 2.

Two AI optics darlings that posted triple-digit gains this year are suddenly selling off hard, and the reason has less to do with bad news than with what investors are bracing for this week.

Shares of semiconductor tool makers jumped after Taiwan Semiconductor posted a jump in revenue for July.

Intel just rattled its own shareholders with a massive equity raise while every other major chipmaker barely flinched, and the gap between Intel's selloff and the flat sector tells a story about where this company is actually headed.

The broad market exchange-traded fund SPDR S&P 500 ETF Trust (SPY) was down 0.1% and the actively tr

Some single-stock ETFs soared last week as strong earnings, a rebound in tech and easing rate-hike fears fueled outsized gains.

SpaceX’s exclusive commitment to Nvidia signals the chipmaker’s AI leadership is expanding into entirely new markets.

Micron has been caught in the memory sell-off, but its AI-driven business makes it a different story.

Two semiconductor ETFs hold nearly identical stocks, yet one has left the other in the dust this year by a staggering margin. The difference has nothing to do with which chips are inside and everything to do with how the fund is built.

SanDisk delivered record earnings, but investors remain focused on whether the memory boom can last.

<p>VOO is the only trillion-dollar ETF, but it barely cracks the top 10 by daily volume.</p>

Three of its top holdings, flash memory/data storage companies Seagate, Western Digital, and Sandisk, were among the biggest losers in the S&P 500 Friday. The stocks continued to slide following Western Digital's earnings late Wednesday, which were merely good as opposed to mind-blowingly fantastic. The memory ETF was being dragged down even more by Micron Technology and South Korean rival SK Hynix.

Broadcom may look like another AI chip stock, but its long-term custom-chip contracts give it a level of demand visibility that many rivals lack.

AMD posted record Q2 results, but high expectations overshadowed one of the strongest quarters in its history.

AMD slides after beating Q2 estimates, but strong AI and data center growth outlooks may steer investors toward ETFs with meaningful exposure to this chipmaker.

Optics and photonics stocks are shooting higher in Friday trading, led by Applied Optoelectronics (NASDAQ:AAOI) stock, which is up 13% to $140.72 following the company’s latest quarterly report. Coherent (NYSE:COHR) stock is also up 13% to $379.26, while Lumentum (NASDAQ:LITE) stock is gaining 8% to $908.11 as investors extend the rally across the optical communications ... Applied Optoelectronics Zooms 13% Higher on Pivotal Quarterly Print; Coherent Advances 13%, Lumentum Adds 8%

The broad market exchange-traded fund SPDR S&P 500 ETF Trust (SPY) was up 0.3%, and the actively tra