It's Friday! And time for our heading-into-the-weekend roundup of worthwhile reads on investing and personal finance.

You just doubled your money if you invested at the 2007 market peak (Bloomberg). More evidence that it is "time in the market" — not market timing — that builds returns.

Active funds suddenly outperforming (ETF.com). The performance of actively managed mutual funds continues to lag that of passive index funds overall, but the number of active funds that are outperforming has jumped.

White House wants to end Social Security numbers as a national ID (Ars Technica). This is driven in part by the Equifax hack. Related: New medicare cards will not have social security numbers (KBTX).

The real problem with credit reports is the astounding number of errors (Brookings Institution). Processing huge amounts data from many thousands of sources leads to errors — lots of them. Brookings, a slightly left-of-center think tank, offers policy ideas for improving the credit-reporting system, including requiring credit bureaus to send a free credit report to each consumer once a year without the consumer having to ask for it.

Is this the top for the cryptocurrency craze? Introducing Jesus Coin (Forbes). We report, you decide.

And from the blogosphere...

Financial news doesn’t rhyme but it does repeat itself (Ben Carlson, A Wealth of Common Sense). Making investing decisions based on news headlines is a bad idea.

The shallow benefit of deep liquidity (Morgan Housel, Collaborative Fund). Markets have both short-term traders and long-term investors. What's good for one isn't necessarily good for the other.

The retirement monster among us (Tony Isoloa, A Teachable Moment). The true Frankenstein monster of wealth destruction? Retirement plan cash-outs.

Best bank account interest rates (DepositAccounts.com). Good news for savers: At least five nationally available savings/money-market accounts are paying rates of at least 1.4%.

My number one frugal living tip: Plan ahead (Bible Money Matters). Thinking ahead is an underappreciated but key aspect of managing money wisely.

As always, your comments about any of these articles are welcome. Or tell us about an interesting article you've read lately!