This week’s picks for the best in personal finance from around the web.

Market turbulence serves as a reminder to tread lightly (NY Times). This is a good time to remember some of the most essential principles of investing.

What breaking the 200-day moving average for stocks really means (MarketWatch). It’s a metric that’s been talked about a lot this week. Find out more about what it means and why it matters.

The case for quitting your job (Wall Street Journal). Recommended reading, even if you like your job.

Beware of shifting options within Medicare plans (NY Times). How to avoid getting paralyzed by all the choices.

A 401(k) Conundrum: Can You Make Cash Pile Last for Life? (Bloomberg). And you thought building the pile was tough.

And from the blogosphere…

How scared should investors be? (Total Return – a Wall Street Journal blog). A man who knows his bubbles doesn’t see one right now.

What are the odds we’re heading toward another crash? (A Wealth of Common Sense). An oxymoron investors have to live with: “healthy correction.”

Here’s what to say when you don’t know why the stock market fell (The Upshot – a NY Times blog). Profit taking? Ah, no.

The importance of ignoring the noise of the market (The Sketch Guy – a NY Times blog). This point is worth repeating again and again, and besides, this post makes it in an especially humorous way.

The poison of the prosperity gospel (Randy Alcorn). It packs pews, but deceives hearts.

We’d love to hear your responses to any of the above. To weigh in, just meet us in the comments section.