While some may argue that a stronger dollar will hurt the market because of corporate overseas earnings, Columbus said there are several reasons it can ignite a rally.
A strong dollar, he said, makes dollar-denominated stocks more attractive for foreign investors. Plus, he thinks it makes the case for "a yen carry trade, as misguided as it may be long term, but that puts risk back in the market."
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On top of that, Columbus said, there will be a consumer tax cut just in time for holiday spending and lower inflation that will hold off an interest rate hike from the Federal Reserve.
Alan Zafran, senior managing director at First Republic Investment Management, believes seasonality plays a big part in the market's movements.
"Clearly you dip your toe in here because you sold in May and you're back in November to April. It's the best time of year to be in the markets," he told "Power Lunch."
There is also the election-factor, Zafran added, with history showing that the market is up 16 percent in the six months following midterm elections.
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So what should investors do?
"The economy is going to accelerate toward year-end, he said. "You want to be in sectors that are going to be sensitive to economic acceleration here as we enter the end of the year."
Zafran likes industrials and energy.