There is a fear that a Fed policy mistake of over-tightening could drive the economy into a recession, says Sam Stovall of CFRA. The Fed will need to monitor inflation on a headline basis, including the effects of higher oil prices, he adds. He explains balancing stocks within your portfolio. CFRA has buy ratings on Applied Materials (AMAT) and KLA Corp. (KLAC), and Broadcom (AVGO), and says to offset those tech companies with staple companies such as Kraft Heinz (KHC) or Coca-Cola (KO).