Opendoor's stock is soaring, but its business is still struggling to grow. Here are two better options for your portfolio.

Investors are falling in love with Opendoor Technologies ( OPEN 4.13% ) . But should they be? The stock has soared 500% in the last three months even though the business has extremely low gross margins and has never generated a profit while taking on a lot of debt to grow. A poorly thought out business model is going to hold back the iBuying business, regardless of how vocal shareholders are.

Instead of buying Opendoor stock, investors should look for businesses that are already profitable and have a history of revenue growth. Here's why Airbnb ( ABNB -1.04% ) and Lululemon Athletica ( LULU 0.61% ) are two better buys for your portfolio than

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