Temu's parent company's stock tanked on a major warning sign from the cheap e-commerce brand

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• PDD Holdings' stock plummeted 29% Monday after a bleak outlook due to competition and consumer shifts.
• The company faces challenges from changing demand, intensifying competition, and global uncertainties.
• PDD, which is facing a merchant backlash, plans to support high-quality sellers.

Temu parent PDD Holdings' stock plunged after the Chinese e-commerce giant signaled a bleak outlook.

PDD stock fell nearly 29% on Monday...