Core Viewpoint - The S&P 500 closed positively on Friday, with notable weekly gains in both the Nasdaq and Dow indices, indicating a favorable market trend for the week [1] Group 1: Market Performance - The S&P 500 closed in the green on Friday [1] - Nasdaq rose by 1.5% for the week [1] - Dow increased by 2.1% for the week [1] Group 2: Analyst Actions - Wall Street experienced a series of upgrades and downgrades from analysts [1] - Major calls from analysts were highlighted, indicating active market engagement [1]