Jim Cramer rejects Wall Street doubts about Nvidia, Apple and Warner Bros. Discovery

Group 1: Nvidia - Nvidia has seen significant growth, becoming the first stock to reach a market cap of $4 trillion earlier this year and briefly topping $5 trillion in October [2] - Concerns exist regarding Nvidia's business prospects in China due to potential sales restrictions on its chips; however, there is still demand for these products in the country [3] Group 2: Apple - Apple is viewed as a long-term winner despite Wall Street's reservations; the company's stock has increased over 10% year-to-date and has been on a winning streak since September [4] Group 3: Warner Bros. Discovery (WBD) - WBD's CEO David Zaslov is recognized for efforts to reduce substantial debt and improve the HBO streaming service; there is renewed interest from potential acquirers, contradicting earlier doubts about the company's attractiveness [5]