<div id="readability-page-1"><div>Poet Technologies (NASDAQ:POET), which designs and manufactures photonic integrated circuits and optical engines, closed at $13.07, down 8.02%. Shares declined after the company completed a $400 million registered direct offering, with investors watching for how the new capital will scale AI photonic interconnect manufacturing and address dilution concerns. Trading volume reached 76.1 million shares, coming in about 142% above its three-month average of 31.4 million shares. Poet Technologies IPO'd in 2008 and has grown 31% since going public.<h2 id="how-the-markets-moved-today">How the markets moved today</h2>The S&amp;P 500 (SNPINDEX:^GSPC) slipped 0.65% to 7,355, while the Nasdaq Composite (NASDAQINDEX:^IXIC) lost 0.84% to finish at 25,871. Among semiconductors, industry peers Lumentum (NASDAQ:LITE) closed at $890.09, up 0.58%, while Applied Optoelectronics (NASDAQ:AAOI) ended at $171.33, down 1.11%, reflecting mixed sentiment across optical chipmakers.<h2 id="what-this-means-for-investors">What this means for investors</h2>Poet announced the share offering one day after reporting Q1 results last week. The company took advantage of a spike in the stock to over $20 per share that day. The common share offering the company closed yesterday was priced at $21 per share, well above today’s closing price. It was savvy of management to raise fresh capital at the elevated share price level. It could also be viewed as a knee jerk reaction, though, highlighting the company’s need for additional funding. Growing companies often need to raise capital, but the offering also dilutes existing shareholders, leading to the share drop since it was announced. The risk for investors now is how well the business will execute as management aims to meaningfully grow with the AI and hyperscaler data center ecosystem. <h2>Should you buy stock in Poet Technologies right now?</h2> Before you buy stock in Poet Technologies, consider this: The Motley Fool Stock Advisor analyst team just identified what they believe are the 10 best stocks for investors to buy now… and Poet Technologies wasn’t one of them. The 10 stocks that made the cut could produce monster returns in the coming years. Consider when Netflix made this list on December 17, 2004... if you invested $1,000 at the time of our recommendation, you’d have $483,476!* Or when Nvidia made this list on April 15, 2005... if you invested $1,000 at the time of our recommendation, you’d have $1,362,941!* Now, it’s worth noting Stock Advisor’s total average return is 998% — a market-crushing outperformance compared to 207% for the S&amp;P 500. Don't miss the latest top 10 list, available with Stock Advisor, and join an investing community built by individual investors for individual investors. See the 10 stocks » *Stock Advisor returns as of May 19, 2026. Howard Smith has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Lumentum. The Motley Fool has a disclosure policy.</div>The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.</div>

POET

SOXX

FTXL

SOXL

Poet Technologies (NASDAQ:POET) shares fell 8.02% to $13.07 after a $400 million direct offering raised dilution concerns. Trading volume surged to 76.1 million shares, significantly above average. The offering was priced at $21 per share, higher than the current closing price, indicating management's strategy to capitalize on elevated stock prices. Investors are cautious about the company's ability to grow within the AI ecosystem, especially after the offering diluted existing shares. Notably, Poet Technologies was not included in The Motley Fool's top 10 stock recommendations.

nasdaq

POET Tech

iShares Semiconductor ETF

First Trust Nasdaq Food & Semicon

Direxion Semicon Bull 3X

Invesco Semiconductors ETF

VanEck Semiconductor ETF

SPDR S&P Semicon

S&P 500

NASDAQ Composite Index

Lumentum

Applied Optoelectronics

Netflix

NVIDIA

Nasdaq

NVIDIA Corporation

Stock Market Today, May 19: Poet Technologies Falls After $400 Million Offering Sparks Dilution Concerns