For Americans struggling to cope with falling home values and rising job insecurity, a shrinking pension plan is the “last straw”. But cashing in your retirement plan now is the worst thing you can do. Mike Caggeso looks at the three best ways to rescue your 401(k).

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In the depths of a bear market that has carved between $500 billion and $2 trillion from U.S. retirement accounts so far this year, as many as two-thirds of all Americans have stopped contributing to their retirement plans, a new study shows.

And that’s precisely the wrong decision to make at the wrong time. No matter how poorly the financial markets are performing, saving for retirement has to remain a top priority.

“It’s not a time for people to stop contributing,” Diane Young, director of retirement and goal planning at TD Ameritrade Holding Corp. (AMTD), the Omaha, Neb.-based brokerage firm that conducted the retirement study, said in an interview with Bloomberg News. “Because time is money, it’s important to stay on track.”

According…