The "Fast Money" traders shared their first moves for the market open.

Pete Najarian was a buyer of Caterpillar

Tim Seymour was a buyer of Mosaic

Karen Finerman was a buyer of General Motors

Guy Adami was a buyer of Apache Corp

Trader disclosure: On October 3, 2018 the following stocks and commodities mentioned or intended to be mentioned on CNBC's "Fast Money" were owned by the "Fast Money" traders: Pete Najarian is long calls AA, ABBV, AIG, CAKE, CI, CSX, DVN, DWDP, EEM, EWZ, FB, FDC, HON, KHC, MRVL, MS, MT, QQQ, SPOT, SYMC, TGT, TSLA, USB, WPX, WWE. Pete is long stock AAPL, AMAT, AMGN, AMP, BAC, BKE, C, CAT, CVX, DIS, DVA, EA, FB, FUL, GILD, GM, HAL, HLT, IBM, INTC, JPM, KMI, KO, LOW, LULU, MRK, MSFT, NSC, PEP, PFE, PII, STZ, TGT, UPS, WFC, XOM. Pete bought long calls AA, ABBV, CI, MS. Pete sold long calls AMD, FEYE, P. Pete bought long stock KMI, PEP. Pete sold long stock CMI, MS. Tim Seymour is long AMZA, ACB.TO, APC, APH.TO, BABA, BAC, BIDU, BX, C, CCJ, CLF, CMG, CRON, CSCO, CX, DAL, DPZ, DVYE, EA, EEM, ERJ, EUFN, EWM, FB, FXI, GE, GILD, GM, GOOGL, GWPH, HAL, INTC, JD, LEAF, MAT, MCD, MO, MOS, MPEL, NKE, OGI, PAK, PHM, PYPL, RH, RL, SBUX, SQ, T, TER, TIF, TGOD, TRST, TWTR, UA, UAL, VALE, VIAB, VOD, X, XLE, XRT, YNDX, 700.HK. CGC, ACBFF, APH, TRSSF, ITUF, ORGIF, CNTFF, MPX, TGOD, MJNE, Tim is on the advisory board of Tikun Olam, The Green Organic Dutchman, CCTV Tim is short IWM, RACE, SPY. Tim's firm is long CGC, HEXO, TLRY, CRON, APH. Karen Finerman's firm is long ANTM, C, CBS, FB, FDX, FL, FNAC, GOOG, GOOGL, GLNG, GMLP, JPM, KORS puts, LYV, SPY puts, SPY put spreads, URL, WIFI. Her firm is short IWM. Karen Finerman is long AAL, BAC, BOT Bitcoin, Bitcoin Cash, Ethereum, C, CAT, CBS, DAL, DVYE, DXJ, EEM, EPI, EWW, EWZ, DVYE, FB, FL, GM, GMLP, GLNG, GOOG, GOOGL, JPM, LOW, LYV, KFL, KORS, KORS calls, MA, MTW, PRCP, SEDG, SPY puts, TACO, WIFI, WFM. Karen Finerman is short KRE, TBT calls. Bitcoin and Ethereum are in her kids' Trust. Karen bought PRCP. Guy Adami is long CELG, EXAS, GDX, INTC. Guy Adami's wife, Linda Snow, works at Merck.