Coinbase Global (COIN) experienced a rocky three months as trading volumes and revenue fell for a second straight quarter during what’s being called a crypto winter. Shares of the crypto exchange rebounded from a loss in premarket trading to a gain of about 3% at the open after bitcoin prices jumped following the U.S. inflation report.Wall Street analysts lowered expectations ahead of Coinbase’s second-quarter earnings report, although they weren’t quite ready to call the bottom for the shares as uncertainty lingers over the crypto and broader market.