US stocks opened slightly higher, with the Dow up 0.11%, the NASDAQ up 0.3%, and the S&P 500 up 0.33%. Nvidia rose nearly 0.7%, and reports say Nvidia will lower the price of H20 artificial intelligence chips supplied to the Chinese market. Pinduoduo rose 3.6%, and Goldman Sachs upgraded Pinduoduo's ADR rating from neutral to buy. Apple opened more than 1% higher. Analysts Wade Bush raised Apple's target price from $250 to $275, saying that artificial intelligence technology will drive iPhone demand into a new cycle.