(AMAZON/CNN) - Shares of Amazon are reaching unprecedented levels.
Amazon stock hit a high of more than $1,000 a share when trading opened Tuesday.
Only one other stock in the S&P 500, Priceline, currently has a four-figure stock price.
And Google's parent company, Alphabet, is just a few dollars below the $1000 a share mark as well.
The news continues the good run for Amazon this year.
The online retail giant's stock is up 35 percent for the year and has a market value of $478 billion.
According to Forbes, Amazon founder Jeff Bezos is believed to be worth about $85 billion, putting him in a virtual tie for second-richest person in the world.
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