The typical stock sector rotations normally seen at the end of the year could be pushed to early 2018, as the government is close to passing a massive tax reform bill.

That's the assessment from JJ Kinahan, chief market strategist at TD Ameritrade.

"The end of 2017 and the beginning of 2018 is going to be one of the most interesting times we've seen in a long time," he said.

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