Jakub Porzycki | Nurphoto | Getty ImagesBitcoin spiked on Wednesday afternoon after President Donald Trump said on social media that he authorized a 90-day pause on tariffs.The price of the flagship cryptocurrency was last higher by more than 7% at $82,305.55, according to Coin Metrics.Earlier, it fell as low as $74,567.02 as the benchmark 10-year U.S. Treasury yield briefly climbed over 4.51% (it has since eased off that high).Ether, dogecoin and XRP each gained more than 12%. The Solana token ...