Investors should brace for a sell-off in tech stocks with Fed chair Powell set to deliver a hawkish message to lawmakers, Gene Munster says

• Tech stocks are vulnerable to a sell-off this week as Jerome Powell testifies to Congress, Gene Munster said. 
• Powell will deliver semi-annual testimony to Senate and House lawmakers on Tuesday and Wednesday. 
• The first half of 2023 will likely be rough for tech stocks but further strength lies ahead later this year, Munster said. 

Expect to see a slump in technology stocks as Federal Reserve Chairman Jerome Powell this week signals to US lawmakers that interest rates will likely run even higher as the fight against inflation continues, veteran tech analyst Gene Munster said Monday.