The market just posted an unhealthy AOL-Time Warner bubble comparison - CNBC

Ford, Amazon wrote-down stakes in Rivian. Google, Microsoft said equity bets lost value. But it's the $6 billion charge from Teladoc that really stands out.

This week's earnings details have included some big-name reckonings with the value of high-growth, high-tech and high-risk companies. Ford and Amazon writing down stakes in electric vehicle maker Riv… [+8368 chars]

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