Investing.com - Earlier this month, Amazon (NASDAQ:AMZN) briefly overtook Microsoft (NASDAQ:MSFT) as the third largest U.S. company based on market capitalization, which is the multiple of a company's stock price and the number of outstanding shares of stock.
Here are the top 10 market caps and how the company's stock performed over the past 12 months.
1. Apple (NASDAQ:AAPL) -- $871.97 billion -- +18%)
Apple is the clear number one and some say on its way to hitting a trillion dollars.
2. Alphabet (NASDAQ:GOOGL) -- $766.67 billion -- +32%)
Alphabet, the parent company of Google, is second.
3. Microsoft -- $713.92 billion -- +49%)
Microsoft is neck and neck with Amazon for third place.
4. Amazon -- $710.84 billion -- +72%)
Amazon is fourth--for now.
5. Facebook (NASDAQ:FB) -- $511.31 billion -- +32%)
Facebook is a distant number five.
6. Berkshire Hathaway (NYSE:BRKa) -- $501.21 billion -- +20%)
Warren Buffett's giant holding company is number six..
JPMorgan Chase (NYSE:JPM) -- $398.01 billion -- +26%)
JPMorgan Chase is seventh and one of two banks in the top ten
8. Johnson & Johnson (NYSE:JNJ) -- $351.58 billion -- +9%)
Healthcare giant Johnson & Johnson is eighth.
9. Bank of America (NYSE:BAC) -- $328.47 billion -- +29%)
Number nine is Bank of America.
10. Exxon Mobil (NYSE:XOM) -- $320.96 billion -- -1.0%)
Exxon Mobil ranks tenth and is the only company whose stock price has declined over the past 12 months.