In just a week, the price of Dogecoin has plunged by 40%. After Elon Musk's tweet on July 1st, the coin gained traction. To keep the buzz continuing, a Nascar Xfinity Series car was wrapped with the 'Baby Doge' insignia last week. Dogecoin's price has dropped by more than half from its all-time high. Baby Doge had a market valuation of about $2 billion at its peak.