Mark Grywacheski on Muck Rack

Mark Grywacheski

Davenport
As seen in: Quad-City Times, NewsBreak, WQAD-TV (Moline, IL), Mason City Globe Gazette, The Waterloo-Cedar Falls Courier, Sioux City Journal, Elko Daily Free Press, Dispatch Argus, Muscatine Journal, Our Community Now
Fourteen years as a CBOE trader. Industry arbitrator for multiple global exchanges. Expert in financial markets and economic analysis. QCIG Investment Advisor.
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Articles

MARK-TO-MARKET: Despite challenges, US stocks surge in first half of 2026 Original

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By Mark Grywacheski
| Quad-City Times Verified
2026 has been a wild ride for stock market investors. In late February, the U.S. stock market began a month-long decline that quickly set investors on edge. But that decline proved short-lived as the stock market quickly rebounded to record highs. Yes, it’s been a wild ride. But it’s also been a fairly profitable one as well. In the first six months of the year — ending Tuesday, June 30 — the bellwether S&P 500 had gained a mighty 9.6%.
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MARK-TO-MARKET: The state of today’s labor market in the world of AI

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By Mark Grywacheski
| Quad-City Times Verified
There has been a heightened sense of focus on the U.S. labor market the past few years. Since early 2025, President Trump has initiated trade and tariff disputes with some of our largest trading partners, especially China, Canada, Mexico and the European Union. And then there’s been the growing adoption of artificial intelligence (AI). According to Gartner, total global spending on AI in 2026 is expected to reach nearly $2.6 trillion.
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MARK-TO-MARKET: The potential and perils of investing in SpaceX Original

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By Mark Grywacheski
| Quad-City Times Verified
SpaceX, the commonly used name for the Space Exploration Technologies Corporation, is an American aerospace company. Founded in 2002 by noted entrepreneur Elon Musk, SpaceX builds rockets, spacecraft, satellites and advanced technology systems. The company’s goal is to reduce the cost of space travel, making it possible for humans to live on other planets, particularly Mars. Since its founding, SpaceX has quickly become one of the most influential organizations in the space industry.
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