Nvidia, the number one in US stock turnover, closed down 1.54% and traded US$31.63 billion on Tuesday. Nvidia dropped more than 4% in April, ending the previous five-month rise.

The second-place Tesla closed down 5.55%, partially recovering Monday's increase of more than 15%, and sold US$23.57 billion. Tesla CEO Musk is reported to have fired two more Tesla executives and is planning to lay off hundreds more employees. In an email sent to Tesla executives late April 29, local time, Musk said that Rebecca Tinucci (Rebecca Tinucci), senior director of the company's charging station division, and Daniel Ho (Daniel Ho), head of new products, will leave their jobs on the morning of April 30. Tesla's public policy team, headed by former executive Rohan Patel (Rohan Patel), will also be disbanded.

According to another report, the US Supreme Court rejected Musk's appeal against a settlement agreement with the US Securities and Exchange Commission (SEC), which required Musk to obtain approval before publicly commenting on Tesla.

In September 2018, the SEC filed a lawsuit against Musk, alleging that the privatization of Tesla proposed by Musk in August of that year was suspected of securities fraud and misleading investors. Musk paid a $20 million fine in September 2018 and agreed to resign as Tesla's chairman.

Amazon, the 3rd place, closed down 3.29% and sold $16.85 billion. The company announced financial results after closing on Tuesday: net sales for the first fiscal quarter of US$143.31 billion, estimated at US$142.59 billion; operating profit margin of 10.7%, estimated at 7.63%; operating profit of US$15.31 billion, estimated at US$10.95 billion; net sales of the Amazon Cloud Services (AWS) division of US$25.04 billion, estimated at US$24.11 billion; and earnings per share of $0.98, estimated at US$0.83.

After announcing earnings, Amazon once rose more than 6% in after-hours trading.

Apple, in fourth place, closed down 1.83% and sold $11.34 billion. According to reports, Apple has snatched dozens of AI experts from Google and created a “secret lab” in Zurich to accommodate a new team of employees responsible for building new AI models and products. Apple is forming a team to compete with competitors in developing new artificial intelligence models and products. According to an analysis of hundreds of LinkedIn profiles and open recruitment and research papers, Apple has been hiring heavily in recent years to expand its global artificial intelligence and machine learning team.

According to the report, Apple's team has taken a number of former artificial intelligence engineers from Google, Amazon, Microsoft, and ByteDance.

Since hiring John Giannandrea as senior vice president of machine learning and artificial intelligence strategy in 2018, Apple has brought in at least 36 AI experts from Google. The company also has at least 10 former Amazon AI experts, and at least 8 AI experts from Microsoft and Netflix. The analysis found that Apple has also attracted artificial intelligence professionals from Meta, Uber, Intel, etc.

In 6th place, AMD closed down 1.14% and traded $9.65 billion. AMD released financial reports after the close of trading on Tuesday, with revenue of 5.5 billion US dollars for the first fiscal quarter, estimated at 5.45 billion US dollars; adjusted earnings per share of 0.62 US dollars for the first fiscal quarter, analysts' expectations of 0.61 US dollars; R&D expenditure for the first fiscal quarter of 1.53 billion US dollars, analysts' expectations of 1.5 billion US dollars; adjusted operating income for the first fiscal quarter of 1.13 billion US dollars, analysts' expectations of US$118.4 million; expected operating margin for the first fiscal quarter of 21%, analysts' expectations of 20.8%; expected operating profit for the second fiscal quarter With revenue of US$5.4 billion to US$6 billion, analysts expect US$5.72 billion; adjusted gross margin for the second fiscal quarter is expected to be about 53%, and analysts expect 53%.

After AMD announced its earnings report, the stock price in after-hours trading once fell by more than 3%.

Seventh-place Meta Platforms closed down 0.57% to $7.98 billion. The European Commission said on Tuesday that it is investigating Meta's possible violation of the Digital Services Act (Digital Services Act) on the grounds that the company failed to remove “deceptive ads and disinformation” from Facebook and Instagram. The European Commission believes that Meta's failure to comply with DSA obligations “relates to addressing the dissemination of deceptive advertising, disinformation activities, and coordination of untrue acts in the EU.” If Meta is found to be in violation of the law, it could be fined up to 6% of its global annual turnover.

The investigation will also focus on political content and the lack of “effective” third-party real-time monitoring tools ahead of the upcoming European Parliament elections and other EU elections.

Meta defended its risk control process on Tuesday after the European Commission launched an investigation into Meta's Facebook and Instagram because it did not deal with deceptive ads and disinformation before the European Parliament elections. Meta said, “We have a well-developed process to identify and mitigate risks on our platform, and we look forward to continuing to work with the European Commission and providing them with more details about this work.”

The 9th ultra-microcomputer closed down 3.54% and sold $6.37 billion. Ultra Micro Computer announced after closing on Tuesday that net sales for the third fiscal quarter were US$3.85 billion, compared to US$1.28 billion in the same period of the previous fiscal year, and analysts expected US$3.86 billion; adjusted earnings per share for the third fiscal quarter was US$6.65, analysts expected US$5.58; gross profit margin for the third fiscal quarter was 15.6%, 17.7% for the same period in the previous fiscal year, and analysts' expectations were 15.3%; net sales for the fourth fiscal quarter were estimated to be US$4.73 billion; and analysts expected US$4.73 billion; expected earnings per share for the fourth fiscal quarter were $762-8.42, analysts expected 6.97 billion US dollars US dollars; estimated full-year revenue of $14.7 billion to $15.1 billion, and projected full-year adjusted earnings per share of $23.29-24.09.

After Ultramicrocomputer released its earnings report, the stock price in after-hours trading fell by more than 8%.

In 10th place, Eli Lilly closed 5.95% higher, with a transaction of US$5.82 billion. Eli Lilly announced financial results for the first fiscal quarter. Eli Lilly raised its annual revenue and profit expectations thanks to its efforts to meet surging market demand for its best-selling diet pills and diabetes medications. The company's revenue for the first fiscal quarter was US$8.77 billion, up 26% year over year, and US$160 million lower than market expectations. Non-GAAP earnings per share were $2.58, which was $0.09 above market expectations.

After Lilly Pharmaceuticals announced its earnings report, Moody's rating agency confirmed that the company's rating was A1, and the outlook was revised from stable to positive.

The 11th Google Class A stock (GOOGL) closed down 2.03% and traded US$5.52 billion. News Corp staff and people familiar with the matter revealed that Google has agreed to pay it 5 million to 6 million US dollars a year to develop new artificial intelligence-related content and products.

The fifteenth MicroStrategy closed down 17.63%, extending its cumulative decline in April to 37.5%, with sales of US$2.77 billion. The company's revenue for the first fiscal quarter was US$115.2 million; analysts expected a loss of US$123.7 million; a loss of US$3.09 per share. Earnings per share for the same period last year were US$31.79, and the market expected a loss of $0.55 per share. By the end of the period, digital assets were US$5.07 billion, compared to US$2.0 billion in the same period last year.

The 18th place, Coinbase closed down 6.52% to reach $1.9 billion. The stock dropped more than 23% cumulatively in April.

In 20th place, Netflix closed down 1.58% and traded $1.86 billion. Netflix had a cumulative decline of 9.3% in April.

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