Legendary investor Peter Lynch once said, "I think the secret is if you have a lot of stocks, some will do mediocre, some will do OK, and if one or two of 'em go up big time, you'll produce a fabulous result." Put another way, a few big winners can more than offset any losses, creating life-changing wealth over time.

With that in mind, investors should consider adding Upstart Holdings (NASDAQ: UPST) and Riskified (NYSE: RSKD) to their portfolios. These companies are chasing large addressable markets, and both stocks could soar 1,000% (or 11-fold) over the next decade under the right circumstances.

Here's why.

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Source Fool.com