The "Fast Money" traders discussed what's on their radar.
Tim Seymour was watching the Brazilian real.
Steve Grasso was focused on S&P 500 strength.
Brian Kelly highlighted the importance of the euro's activity.
Dan Nathan was looking at oil.
Trader disclosure: On September 2, 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. Dan Nathan is long QQQ Oct put spread, XBI sept put spread, TWTR, PG. Brian Kelly is long BBRY, TWTR calls, Bitcoin, U.S. Dollar; he is short British Pound, Euro, Ruble, Yen, Yuan, US Treasuries. Steve Grasso is long AAPL, BA, BAC, CC, DD, DIS, DECK, EVGN, FIT, KBH, MJNA, MU, PFE, PHM, T, TWTR, GDX, firm is long BP, COP, CVX, FCX, OXY, RIG, AMZN, MAT His kids own EFA, EFG, EWJ, IJR, SPY.