In light of U.S. markets gyrating up and down during the final week of April, five high-quality stocks with high GF Scores and momentum ranks include Apple Inc. ( AAPL , Financial), Alphabet Inc. ( GOOGL , Financial)( GOOG , Financial), Amphenol Corp. ( APH , Financial), Fastenal Co. ( FAST , Financial) and Edwards Lifesciences Corp. ( EW , Financial) according to the All-in-One Screener, a Premium feature of GuruFocus.