SHIBA INU (SHIB), a meme coin, has soared over 760% so far on a seven-day trailing basis — emerging as the cryptocurrency with the highest gains in the period, according to CoinMarketCap data. What Happened: SHIB has skyrocketed 768.91% in a seven-day period and was trading 1.01% over 24 hours higher at $0.00001525 at press time on Sunday night. SHIB claims it has been nicknamed “Dogecoin Killer.” In terms of weekly gains, it left behind Dogecoin (DOGE), which rose 46.92% in the period…