BUZZ-Brazil equity, derivatives volumes sink in Nov
** Exchange operator BM&FBovespa SA says financial volumes at the Bovespa equity segment plunge in Nov from Oct
** Average daily trading volumes fall to 6.85 bln reais ($2.7 bln) from 10.87 bln reais in Oct
** Still, total market capitalization at Bovespa rises to 2.43 trln reais from 2.42 trln reais in Oct
** BM&F derivatives traded contracts decline to 42.99 mln, equivalent to 3.39 trln reais, from 67.12 mln, or 4.92 trln reais, in Oct ($1 = 2.5746 Brazilian reais)
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