Jim Cramer unpacks Monday's market action: 'It's back to business as usual'
1. S&P 500 rose 1.54% as government shutdown fears eased. 2. Investors returned to stocks at signs of a funding deal. 3. AI companies Nvidia and Palantir saw significant gains. 4. Market sentiment improved as the shutdown threatened GDP growth. 5. Cramer highlighted the tech rebound amidst AI valuation concerns.