Interest rates are to asset prices what gravity is to the apple. When there are low interest rates, there is a very low gravitational pull on asset prices.
If you're an investor, you're looking on what the asset is going to do, if you're a speculator, you're commonly focusing on what the price of the object is going to do, and that's not our game.
The dominant factors affecting control valuations are earning power (past and prospective) and asset values.
Invest in as much of yourself as you can, you are your own biggest asset by far.