Dogecoin (CRYPTO: DOGE) is up on Tuesday. Over the last 24 hours, the cryptocurrency was trading up 4.4% at its highest. The spike comes as the S&P 500 (SNPINDEX: ^GSPC) and the Nasdaq Composite (NASDAQINDEX: ^IXIC) closed up 1.1% and 1.4%, respectively. Dogecoin and most of the crypto market were up today after Jerome Powell spoke to Congress, rev…
