Time to buy Uber (UBER) ?

Real Money Stock of the Day Uber caught investor interest after Citigroup pgraded the stock from "neutral" to "buy" in a note published Monday. Citi argued that upcoming third-quarter earnings could signal renewed revenue growth going forward.

In addition, Citigroup analyst Itay Michaeli suggested that the real value of Uber Eats, Uber's food delivery service, isn't properly reflected in Uber's current share price.

However, Uber is down nearly 32% over the last few months, remaining volatile after its lackluster debut in May.

During TheStreet's daily live show, Jim Cramer said Uber needs to show it's "more than a cab company."

So what does that take? Hear what Cramer is watching in the video above.

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