Energy markets mostly bounced back today after a Black Friday shortened trading session where energy futures dipped across the board. On Friday, crude oil was down about $3.00 per barrel, gasoline down more than $0.08 per gallon and diesel about $0.07 per gallon. Ethanol followed, with the January contract dropping to $1.368 per gallon, rebounding today to $1.409 per gallon.   The bearishness came after concerns about China’s manufacturing pace (though doubts about China’s performance were dashed today as the reports out of China showed results above expectations), the tenuousness of the U.S.-China trade talks, and news that the U.S. was a net exporter of petroleum in September.    However, crude oil bounce...