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

Pete Narian was a buyer of Under Armour

Karen Finerman was a buyer of the ProShares UltraShort 20+ Year Treasury

David Seaburg was a buyer of Macy's

Brian Kelly was a buyer of the iShares 20-year Treasury Bond ETF

Trader disclosure: On August 12, 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 AIG, AXP, BAC, BBBY, CAKE, CAT, CELG, COTY, DVN, DWDP, EEM, ERJ, EWZ, FB, FDC, GDX, JD, JPM, KHC, KKR, MNST, MRO, MS, MT, NXPI, PYPL, RHT, RIG, SKX, SYMC, TSLA, UAA, WBA, XHB, XLF, XLI. Pete is long stock AAPL, AMAT, AMGN, AMP, BAC, BKE, C, CELG, CVX, DAL, DIS, DVA, EA, FB, FUL, GILD, GM, HAL, HLT, IBM, JPM, KMI, KO, LOW, LULU, MLCO, MRK, MSFT, MU, PEP, PFE, PII, RCL, SBUX, STZ, TGT, UPS, WFC, WYNN, XOM. Pete sold AAPL, BEL, SPY calls. Pete bought SYMC, TSLA, UAA calls. Pete bought EA stock. Karen Finerman's firm is long ANTM, C, CBS, FB, 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, SEDG, SPY puts, TACO, WIFI, WFM. Karen Finerman is short KRE, TBT calls. Bitcoin and Ethereum are in her kids' Trust. "Opinions expressed by David Seaburg are solely his own and do not reflect the views and opinions of Cowen Inc. David Seaburg has a financial interest in EDIT."" Brian Kelly is long AMD, CBOE, CME, GCAP, GS, HIVE, IBM, MCB, MSFT, MU, NVDA, OSTK, ORCL, RHT, SAP, SHG, SHOP, SIVB, SQ, STX, TSM, WU, Bitcoin, Ethereum, Litecoin, Cardano, Bitcoin Cash, Stellar, EOS, STORM.