"Ever try to run the opposite way on a down escalator?" Jim Cramer asked listeners of his "RealMoney" radio show Tuesday.

"You can make it to the top if you run fast enough ... but usually you'll make your way down."

Cramer says this is the scenario we're in now, running up the down escalator, as investors try to make a buck in an era he calls "the days of the one-day bull markets."

There was a time when trading and investing was an art form, when you chose your stocks carefully and constructed a portfolio, Cramer said.

But now the market swings are so fast and furious that the average investor would have to quit his or her day job in order to make money in the market -- which would mean buying low and then selling high.

It's almost impossible to catch these one-day bull markets, Cramer said. It's frustrating, and it will keep new money out of the market.

In these times, Cramer believes that the remedy is to take the stairs, not the escalator, meaning investors need to find a new pattern.

Look for a way to go up 50 and down 30, he said, emphasizing that gains need to be made in moderation. "That's sustainable ... unlike what we have now."

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Jim Cramer is a director and co-founder of TheStreet.com. He contributes daily market commentary for TheStreet.com's sites and serves as an adviser to the company's CEO. Outside contributing columnists for TheStreet.com and RealMoney.com, including Cramer, may, from time to time, write about stocks in which they have a position. In such cases, appropriate disclosure is made. To see his personal portfolio and find out what trades Cramer will make before he makes them, sign up for Action Alerts PLUS. Listen to Cramer's RealMoney Radio show on your computer; just click here. Watch Cramer on "Mad Money" at 6 p.m. ET weeknights on CNBC. Click here to order Cramer's latest book, "Real Money: Sane Investing in an Insane World," click here to get his second book, "You Got Screwed!" and click here to order Cramer's autobiography, "Confessions of a Street Addict." While he cannot provide personalized investment advice or recommendations, he invites you to send comments on his column by clicking here.

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