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

Pete Najarian was a buyer of Devon Energy.

Tim Seymour was a buyer of GW Pharmaceuticals.

Dan Nathan was a seller of the VanEck Vectors Semiconductor ETF.

Guy Adami was a buyer of Freeport-McMoRan.

Trader disclosure: On April 18, 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 AAPL, ALB, AIG, AKS, BAC, BHGE, C, CI, CLF, COP, CRM, CTL, DVN, EEM, FB, FEYE, GLD, GM, GS, HD, HIG, IBM, INTC, LUV, MAS, MRVL, MSFT, NEM, OIH,OLN, PSX, SLV, SVU, WMB, X, XHB, XLF. Pete is long stock AAPL, ATVI, BAC, BKE, C, FUL, GM, HLT, IBM, INTC, KMB, KMI, KMX, KO, LOW, LVS, MRK, MSFT, MU, PEP, PFE, PG, PII, STZ, TGT, TPX, UFS, UPS, VFC, VMW, WYNN, XOM.
Pete owns puts IWM, QQQ, TSLA. Pete bought EEM, DVN, GLD, GS, MAS, WMB calls. Pete sold AEO, BEL, EEP, KMB, MLCO calls. Pete sold DLTR stock.Tim Seymour is long AMZA, APC, BABA, BAC, BX, C, CCJ, CLF, CMG, CSCO, CX, DAL, DPZ, DVYE, EEM, ERJ, EUFN, EWM, FB, FXI, GE, GILD, GM, GOOGL, HAL, INTC, JD, MAT, MCD, MO, MOS, MPEL, PAK, PHM, PYPL, RAI, RH, RL, SBUX, SQ, T, TIF, TWTR, UA, UAL, VALE, VIAB, VIPS, VOD, VRX, X, XLE, XRT, YNDX, 700.HK. Tim is short IWM, RACE, SPY. Dan Nathan is long SNAP. Dan is short SPY. Guy Adami is long CELG, EXAS, GDX, INTC. Guy Adami's wife, Linda Snow, works at Merck.