【Golden Afternoon Report | Important Updates for December 28】7:00-12:00 Keywords: USDC, Michael Saylor, ProShares 1. Data: The circulating supply of USDC increased by approximately 1.1 billion over the past 7 days; 2. Michael Saylor: 60 companies hold over 590,000 BTC; 3. Volatility Shares applies to launch a leveraged ETF based on Solana futures; 4. ProShares submitted applications for 3 index, gold, and Bitcoin hedging ETFs to the SEC; 5. Suspected VIRTUAL project party address deposited 2 million tokens into Bybit again 2 hours ago; 6. Polymarket bettors believe 21% that Bitcoin will surge to $150,000 by March next year; 7. Santiment: Cryptocurrency trading volume decreased by 64% over the past week, especially in speculative altcoin trading.