US stock market gains $450 bn in 1 hr amid rise in S&P 500: Report

The US stock market on Monday gained about $450 billion in one hour amid a surge in the S&P 500 by nearly 0.6%, Bull Theory reported. Key indices, including the S&P 500 and Nasdaq, rose on Monday, extending the previous week's rally. Chip stocks are reportedly seeing a surge over Broadcom's deal with Apple and SK Hynix's US listing plans.