Bitcoin is the strongest and most reliable crypto currency. There are moments of price reduction, but thanks to this, it only becomes stronger and better.
Strongest = yes
Reliable = yes because of stable wallet
Volatile price = normal because of supply and demand (sometimes manipulation)
better = not for micro payments this days due to extremely high fees
Other alts are already gaining both support and new money, i have also included few potential alts for long term holding. Because i think few alts have chance to grow much bigger than what they are right now.