Dog-themed coins, often associated with Tesla CEO Elon Musk, were among the biggest memecoin gainers Monday, as the tech tycoon interviewed former President Donald Trump on his social network X. What Happened: The biggest memecoin in terms of market cap, Dogecoin, lifted 2.43% in the 24-hour period, with a 33% jump in trading volume. The canine coin’s price movement has been largely driven by social posts and endorsements by Musk, as well as developments around companies owned by him. This has been the case since Musk famously called DOGE his favorite cryptocurrency in April 2019. The other ca…