Nvidia CEO Jensen Huang's company has four customers that account for nearly have of its revenue.
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- Almost half of Nvidia's $30 billion revenue in the second quarter came from four customers.
- A tech analyst told BI that this concentration of revenue is "highly unusual" for a mega-cap company.
- There are three reasons why Nvidia investors should be concerned about it, the analyst said.
Nvidia notched $30 billion in revenue for the second quarter...