Characterize the news's sentiment using the following options.
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The world's biggest computer chip maker NVIDIA has issued a profit warning in the lead up to its interim results due on August 24, leading to a 6% share price tumble for the NASDAQ-100 multinational. Revenues for the quarter are expected to come in at US$6.7bn, making for a 17% shortfall against May guidance of US$8.1bn.
negative