The "Fast Money" traders explained what they were watching ahead of the first trading day in September.
Tim Seymour said to look at biotech and , adding that both sectors may be breaking down.
David Seaburg said he would be a seller of Intel.
Pete Najarian said to watch oil, saying the big jump in crude and the spike in oil volatility were both noteworthy.
Trader disclosure: On Aug. 31, 2015, the following stocks and commodities mentioned or intended to be mentioned on CNBC's "Fast Money" were owned by the "Fast Money" traders: Tim Seymour is long AAPL, T, BAC, DIS, F, GE, GM, GOOGL, INTC, JPM, TWTR, Tim's firm is long BABA, BIDU, MCD, NKE, NOK, SBUX, YHOO. Long AMAT, AAPL, BAC, BMY, BP, CSX, DISCA, DKS, FOXA, GE, KKR, KO, LLY, MRK, PEP, PFE, he is long calls AAL, ABX, ALK, BBY, BEE, BHP, CRM, CSX, DAL, ETFC, HIG, HIMX, LM, MRO, SLB, VLO, VZ, WLL, XLF, ZIOP, he is long puts AUY, FCX. Today he bought HIMX calls, MRO calls, SLB calls, and WLL calls. Guy Adami is long CELG, EXAS, INTC, Guy Adami's wife works at Merck.