While Dogecoin (DOGE) and Shiba Inu (SHIB) may have been the earliest meme coin titans to skyrocket into the spotlight, their glory days of significant gains could be behind them, at least for now. With market caps in the billions and prices already heavily inflated compared to their initial levels, the upside potential from here looks far more limited. New contenders are emerging, building momentum, and gearing up for parabolic moves toward the coveted $1 milestone. For savvy investors willing to place strategic bets, just $500 split among the…