If we use the definitions of the concepts of the speculator and the investor, then we can understand that this is not the same thing. A speculator is a trader who sometimes makes trades lasting less than one second. An investor buys assets with the intention to hold, sometimes a decades. They have are different approaches to analyzing the market and making a profit in the market. Thus, buying the same asset at the same time, the trader and the investor do not do the same thing.
Totally disagree with you. Each of them wants to buy cheaper and sell more expensive, only time frames can differ.
. The trend has changed. 
