Investment in different sectors

Help me understand how one can decide what sector to invest in? I know tech is the big thing right now but hypothetically, is it still encouraged to buy tech stocks if hypothetically we get hit by recession? What about stagflation? Will that change if interest rates go up? I am just trying to understand what factors affect different sectors/commodities. Thank you in advance submitted by /u/Consistent_Good_848 [link] [comments]