What do you think of the following industiries and their future?

Armaments.
Computer Sodtware and hardware,
IT
Fertilizers.
Chemicals.
Banking and Finance
Oil refining
Rare metals,gold,platinum,pallaium etc.
Transportation:-Road,Rail,Air and Sea.
Commercial Aircraft (Aviation).
Housing
Building roads etc(infrastructure)
Steel
Would it be worth investing in stocks pertaining to these,in the current scenario?