The "Fast Money" traders gave their final thoughts of the day.

Dan Nathan said Yum! Brands could trade lower in the coming weeks.

Brian Kelly said he was watching the "stealth rally" in gold and silver, and said "you could buy some silver tomorrow."

Karen Finerman said to buy protection using the CBOE Volatility Index.

Guy Adami said he was keeping an eye on Goldman Sachs after a big reversal higher on Thursday.

Trader disclosure: On Oct. 15, 2015, the following stocks and commodities mentioned or intended to be mentioned on CNBC's "Fast Money" were owned by the "Fast Money" traders: Dan is long AMAT Jan call spread, PYPL Oct call calendar, BA Oct put spread, INTC Dec put spread, QQQ Oct put spread, UAL Oct/Nov put spread, XLF Dec put spread, TWTR. Brian Kelly is long BBRY, GLD, Bitcoin, Silver, US Dollar; he is short Yuan, British Pound, Crude Oil, Euro, Yen, EEM, EWC, EWU, EWG, SPY. Karen is long BAC, C, FINL, FL, GOOG, GOOGL, JPM, KORS, KORS call spreads, M, URI, she is short SPY, Her firm is long ANTM, AAPL, BAC, C, DIS, FINL, FL, GOOG, GOOGL, GPS, JPM, KORS, KORS call spreads, M, M calls, M call spreads, SUNE, SUNE call spreads, URI, URI long puts, her firm is short IWM, SPY, MDY, USO, Karen Finerman is on the board of GrafTech International. Guy Adami is long CELG, EXAS, INTC, Guy Adami's wife, Linda Snow, works at Merck.