Which one of the following is NOT a correct statement?

- The function $\sqrt[x]{x}, \: (x>0)$, has the global maxima at $x=e$
- The function $\sqrt[x]{x}, \: (x>0)$, has the global minima at $x=e$
- The function $x^3$ has neither global minima nor global maxima
- The function $\mid x \mid$ has the global minima at $x=0$