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Here’s what caught my eye Tuesday morning: Trader

Todd Gordon on stocks versus bonds
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Todd Gordon on stocks versus bonds
I think the S&P 500 is going up, so I’m going long: Trader
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I think the S&P 500 is going up, so I’m going long: Trader
The stock that’s up 1300%
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The stock that’s up 1300%

The potential for higher rates is causing agita for the market, and certain sectors in particular look vulnerable, according to technically minded trader Todd Gordon.

Gordon, founder of TradingAnalysis.com, noticed shortly after the market open that long-term Treasury bonds, as tracked by ETF "TLT," were substantially lower Tuesday morning while stocks were only slightly higher.

"We're seeing a bigger move in bonds in terms of percent change than in the S&P," Gordon said Tuesday. "So what that's saying is that the S&P's starting to hesitate here in the face of possible increasing interest rates."

The question now, Gordon continued in a video for CNBC's "Trading Nation," is: "Can the maintain this bid?"

The perceived odds for a Federal Reserve rate hike in June or July have risen recently, thanks to the latest central bank meeting minutes and to comments Friday from Fed Chair Janet Yellen.

In the face of a potential hike, some sectors look particularly vulnerable, according to Gordon. Two that come to mind are real estate and consumer staples, given the high yields of many of those stocks.

"it's starting to pressure these dividend-paying sectors," Gordon said. "We need to keep an eye on this development."

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