Your credit score takes into account years of information in most cases. It's not going to improve in a day. But it may improve more quickly than you think. Generally, the last 24 months carry the most weight, so if you can keep clean for that long, you'll see a boost.

It doesn't help to follow every rise and fall of your portfolio. It's better to tune out the day-to-day shifts, in fact. But getting a handle on the larger picture will make you feel more secure, and that goes a long way in calming your fear.

You could lose hundreds or thousands one day on paper and gain it all back the next, and it has literally no effect on your immediate future, provided the money you have in the market is money you're investing for the long haul (meaning at least three to five years).

Jean Chatzky Quotes