Wall Street analysts issued notable calls this week: HSBC upgraded Target to Buy, citing improving turnaround momentum; Citi downgraded Moderna to Sell due to unjustifiable valuation despite trial wins; Deutsche Bank turned bearish on PepsiCo, lowering it to Hold over strategic uncertainty. Goldman Sachs upgraded Occidental Petroleum to Buy on debt reduction prospects, while Wells Fargo upgraded Consolidated Edison and BP. Morgan Stanley reinstated Nvidia as a top pick in semiconductors.