Locator: 45331MARKET.
After being in the “red” all morning, BRK-B has just turned green (11:32 a.m. CDT).
The oil companies, of course, are having a great day.
- DVN: up 2%, at just above $51. That's how far it fell.
UNP: down 33 cents, trading just under $230.
AAPL: holding just above $185. Market cap: $2.194 trillion. A lot of folks buying AAPL today at discount but sellers greatly exceed buyers, based on drop in price. [Later: AAPL breaks below $185.]
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The Book Club
Why Does E=MC^2? Brian Cox And Jeff Forshaw, c. 2009.
I have read any number of books on this subject. It's interesting to see how different folks "describe" these concepts.
Just like dollar and euros, energy and mass are interchangeable.
c^2 is the rate of exchange, but unlike the rate of exchange for dollars and euros, c^2 is a constant.
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