【Golden Afternoon Report | December 28th Important Updates Overview】7:00-12:00 Keywords: USDC, Michael Saylor, ProShares 1. Data: The circulation of USDC has increased by about 1.1 billion in 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 submits applications for 3 stock index, gold Bitcoin hedge ETFs to the U.S. SEC; 5. The suspected address of the VIRTUAL project team transferred 2 million tokens to Bybit again 2 hours ago; 6. Polymarket bettors believe 21% that Bitcoin will surge to $150,000 by next March; 7. Santiment: Cryptocurrency trading volume decreased by 64% in the past week, especially trading in speculative altcoins.