The S&P $500$ posted a third quarter $(2017)$ of year$-$over$-$year earnings growth. But in the shadow of the rebound is a trend that has been worsening for more than two years: a rising number of profitless companies. Bloomberg's Oliver Renick takes a look at the rising number of profitless companies on 'Bloomberg Markets'.

Watch the video then answer the following.

What ratio is discussed in the video and what information does this video provide to investors?

B

$I$

$U_{?}$

$T_2$

$T^2$

$I_x$

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