Applied Materials (NASDAQ:AMAT) shares tumbled more than 7% in premarket trading on Friday as the report of a pending criminal investigation overshadowed the company's fourth-quarter results and guidance, prompting Wall Street firms to weigh in. Bank of America analysts, led by Vivek Arya, said the firm reiterated its buy rating on Applied Materials (AMAT) shares, but the investigation is likely to put an "overhang" and cause "near-term uncertainty." Regarding the company's opportunity in China, it's likely that sales stay "strong," the analysts noted, citing commentary from Applied Materials (AMAT) management. "While we forecast FY24E sales to modestly decline on ICAPS…